| Rank
|
Page title
|
Views
|
Daily average
|
Assessment
|
Importance
|
| 1
|
Jimmy Carter
|
920,145
|
30,671
|
GA
|
High
|
| 2
|
John Thune
|
675,514
|
22,517
|
C
|
Low
|
| 3
|
Earth
|
405,063
|
13,502
|
FA
|
Top
|
| 4
|
Călin Georgescu
|
385,642
|
12,854
|
Start
|
Unknown
|
| 5
|
Al Gore
|
372,319
|
12,410
|
GA
|
Mid
|
| 6
|
David Attenborough
|
281,671
|
9,389
|
GA
|
High
|
| 7
|
Green Party of the United States
|
269,376
|
8,979
|
C
|
Mid
|
| 8
|
Atomic bombings of Hiroshima and Nagasaki
|
265,632
|
8,854
|
GA
|
High
|
| 9
|
Tesla Cybertruck
|
142,611
|
4,753
|
C
|
Mid
|
| 10
|
Greta Thunberg
|
127,547
|
4,251
|
GA
|
High
|
| 11
|
Industrial Revolution
|
125,790
|
4,193
|
C
|
Mid
|
| 12
|
Fukushima nuclear accident
|
125,475
|
4,182
|
GA
|
High
|
| 13
|
Sustainable Development Goals
|
123,909
|
4,130
|
C
|
High
|
| 14
|
Nuclear weapon
|
122,924
|
4,097
|
C
|
High
|
| 15
|
Tsar Bomba
|
120,935
|
4,031
|
B
|
High
|
| 16
|
Climate change
|
115,254
|
3,841
|
FA
|
Top
|
| 17
|
Susan Collins
|
114,621
|
3,820
|
B
|
Low
|
| 18
|
Bhopal disaster
|
112,039
|
3,734
|
B
|
High
|
| 19
|
Charles Darwin
|
110,329
|
3,677
|
FA
|
High
|
| 20
|
World population
|
104,006
|
3,466
|
B
|
Top
|
| 21
|
Asbestos
|
100,441
|
3,348
|
B
|
High
|
| 22
|
Thermonuclear weapon
|
95,563
|
3,185
|
C
|
High
|
| 23
|
Rivian
|
91,093
|
3,036
|
Start
|
Low
|
| 24
|
Three Mile Island accident
|
90,845
|
3,028
|
B
|
High
|
| 25
|
Paris Agreement
|
90,799
|
3,026
|
GA
|
Top
|
| 26
|
List of countries by air pollution
|
87,793
|
2,926
|
List
|
Low
|
| 27
|
Kardashev scale
|
81,336
|
2,711
|
B
|
Low
|
| 28
|
Sustainable development
|
80,374
|
2,679
|
C
|
Top
|
| 29
|
Amazon rainforest
|
77,437
|
2,581
|
B
|
Top
|
| 30
|
Fungus
|
73,091
|
2,436
|
FA
|
High
|
| 31
|
Carbon dioxide
|
70,688
|
2,356
|
C
|
High
|
| 32
|
Mercury (element)
|
69,454
|
2,315
|
GA
|
High
|
| 33
|
Pollution
|
68,540
|
2,284
|
B
|
Top
|
| 34
|
Air quality index
|
68,488
|
2,282
|
C
|
Mid
|
| 35
|
Agriculture
|
68,110
|
2,270
|
GA
|
High
|
| 36
|
Keystone Pipeline
|
68,086
|
2,269
|
C
|
Mid
|
| 37
|
Cancer
|
67,623
|
2,254
|
B
|
High
|
| 38
|
Agent Orange
|
67,003
|
2,233
|
GA
|
High
|
| 39
|
Van Jones
|
66,955
|
2,231
|
C
|
High
|
| 40
|
Ocean
|
65,864
|
2,195
|
B
|
High
|
| 41
|
BP
|
65,542
|
2,184
|
B
|
High
|
| 42
|
The Day After Tomorrow
|
65,289
|
2,176
|
C
|
Mid
|
| 43
|
Shell plc
|
64,691
|
2,156
|
B
|
Low
|
| 44
|
Fracking
|
63,678
|
2,122
|
C
|
Top
|
| 45
|
Air pollution
|
63,624
|
2,120
|
B
|
Top
|
| 46
|
Dust Bowl
|
63,232
|
2,107
|
B
|
Mid
|
| 47
|
United Nations Climate Change Conference
|
63,020
|
2,100
|
C
|
Unknown
|
| 48
|
Willem-Alexander of the Netherlands
|
62,565
|
2,085
|
C
|
Low
|
| 49
|
Erin Brockovich (film)
|
61,995
|
2,066
|
C
|
Low
|
| 50
|
Julia Butterfly Hill
|
61,169
|
2,038
|
C
|
Mid
|
| 51
|
Petroleum
|
60,948
|
2,031
|
C
|
High
|
| 52
|
Lead
|
60,210
|
2,007
|
FA
|
High
|
| 53
|
Deepwater Horizon oil spill
|
58,586
|
1,952
|
C
|
High
|
| 54
|
Music of the Spheres World Tour
|
58,197
|
1,939
|
GA
|
Low
|
| 55
|
ExxonMobil
|
58,140
|
1,938
|
B
|
Mid
|
| 56
|
Ice age
|
57,864
|
1,928
|
B
|
High
|
| 57
|
Life
|
57,224
|
1,907
|
GA
|
Top
|
| 58
|
Atmosphere of Earth
|
56,995
|
1,899
|
C
|
High
|
| 59
|
Views of Elon Musk
|
56,868
|
1,895
|
B
|
Low
|
| 60
|
Halliburton
|
55,382
|
1,846
|
B
|
Unknown
|
| 61
|
Tree
|
55,211
|
1,840
|
GA
|
Low
|
| 62
|
Water pollution
|
54,021
|
1,800
|
B
|
High
|
| 63
|
Deb Haaland
|
51,840
|
1,728
|
B
|
Low
|
| 64
|
Trinity (nuclear test)
|
51,804
|
1,726
|
FA
|
High
|
| 65
|
Acute radiation syndrome
|
51,200
|
1,706
|
B
|
Mid
|
| 66
|
Chernobyl
|
51,176
|
1,705
|
B
|
High
|
| 67
|
Michael Shellenberger
|
50,820
|
1,694
|
C
|
Low
|
| 68
|
Chlorine
|
49,777
|
1,659
|
GA
|
Mid
|
| 69
|
Three Gorges Dam
|
49,504
|
1,650
|
GA
|
Mid
|
| 70
|
Ed Begley Jr.
|
49,021
|
1,634
|
Start
|
Mid
|
| 71
|
Biodiversity
|
48,610
|
1,620
|
C
|
Top
|
| 72
|
Younger Dryas
|
48,361
|
1,612
|
B
|
Low
|
| 73
|
Chernobyl Nuclear Power Plant
|
46,662
|
1,555
|
B
|
High
|
| 74
|
Extinction
|
46,391
|
1,546
|
C
|
High
|
| 75
|
Coal
|
46,312
|
1,543
|
C
|
Top
|
| 76
|
Environmental, social, and governance
|
46,022
|
1,534
|
C
|
Mid
|
| 77
|
Fossil fuel
|
45,508
|
1,516
|
C
|
High
|
| 78
|
Toyota Prius
|
45,207
|
1,506
|
B
|
Mid
|
| 79
|
IUCN Red List
|
45,118
|
1,503
|
C
|
Mid
|
| 80
|
Abiogenesis
|
44,466
|
1,482
|
GA
|
High
|
| 81
|
Tesla Model 3
|
44,410
|
1,480
|
B
|
Low
|
| 82
|
Dark Waters (2019 film)
|
44,108
|
1,470
|
Start
|
Low
|
| 83
|
Alliance 90/The Greens
|
43,756
|
1,458
|
B
|
Mid
|
| 84
|
Tesla Model Y
|
43,691
|
1,456
|
C
|
Mid
|
| 85
|
Happy Feet
|
43,685
|
1,456
|
B
|
Unknown
|
| 86
|
Conservation status
|
42,459
|
1,415
|
C
|
Mid
|
| 87
|
List of most-polluted cities by particulate matter concentration
|
42,458
|
1,415
|
List
|
High
|
| 88
|
Radioactive decay
|
42,426
|
1,414
|
C
|
High
|
| 89
|
Cigarette
|
42,334
|
1,411
|
B
|
Mid
|
| 90
|
Prisoner's dilemma
|
42,161
|
1,405
|
C
|
High
|
| 91
|
El Niño–Southern Oscillation
|
41,867
|
1,395
|
C
|
High
|
| 92
|
Arsenic
|
41,618
|
1,387
|
B
|
High
|
| 93
|
Plastic
|
41,593
|
1,386
|
B
|
High
|
| 94
|
Salton Sea
|
41,580
|
1,386
|
B
|
Mid
|
| 95
|
Renewable energy
|
41,567
|
1,385
|
B
|
Top
|
| 96
|
Goiânia accident
|
41,526
|
1,384
|
C
|
Mid
|
| 97
|
Organic farming
|
40,878
|
1,362
|
B
|
Top
|
| 98
|
United States Environmental Protection Agency
|
40,839
|
1,361
|
B
|
High
|
| 99
|
Ecosystem
|
40,775
|
1,359
|
B
|
Top
|
| 100
|
Lucid Motors
|
40,550
|
1,351
|
C
|
Mid
|
| 101
|
Waste management
|
40,189
|
1,339
|
B
|
Mid
|
| 102
|
Chernobyl exclusion zone
|
40,116
|
1,337
|
C
|
High
|
| 103
|
Christiana Figueres
|
40,080
|
1,336
|
C
|
Low
|
| 104
|
Political positions of the Republican Party (United States)
|
39,411
|
1,313
|
C
|
Mid
|
| 105
|
Tesla Roadster (first generation)
|
39,352
|
1,311
|
B
|
Low
|
| 106
|
Great Smog of London
|
39,296
|
1,309
|
B
|
Low
|
| 107
|
Waterworld
|
39,015
|
1,300
|
C
|
Low
|
| 108
|
Benzene
|
39,015
|
1,300
|
B
|
High
|
| 109
|
Green New Deal
|
38,708
|
1,290
|
C
|
Low
|
| 110
|
Al-Khwarizmi
|
38,702
|
1,290
|
B
|
Low
|
| 111
|
Carbon monoxide
|
38,677
|
1,289
|
B
|
High
|
| 112
|
Great Pacific Garbage Patch
|
38,669
|
1,288
|
C
|
Mid
|
| 113
|
Palm oil
|
38,565
|
1,285
|
B
|
Mid
|
| 114
|
Tesla Model S
|
38,327
|
1,277
|
B
|
Top
|
| 115
|
Mustard gas
|
38,306
|
1,276
|
B
|
Mid
|
| 116
|
Greenhouse gas
|
37,688
|
1,256
|
B
|
Top
|
| 117
|
Tundra
|
37,340
|
1,244
|
B
|
Low
|
| 118
|
Chipko movement
|
37,199
|
1,239
|
C
|
High
|
| 119
|
Plutonium
|
36,898
|
1,229
|
FA
|
High
|
| 120
|
Epigenetics
|
36,347
|
1,211
|
B
|
Mid
|
| 121
|
Nuclear fission
|
35,872
|
1,195
|
B
|
High
|
| 122
|
Little Ice Age
|
35,560
|
1,185
|
B
|
High
|
| 123
|
Monsanto
|
35,527
|
1,184
|
C
|
Mid
|
| 124
|
Solar panel
|
35,234
|
1,174
|
C
|
High
|
| 125
|
Tragedy of the commons
|
35,213
|
1,173
|
B
|
High
|
| 126
|
Jim Banks
|
35,149
|
1,171
|
C
|
Low
|
| 127
|
Biotechnology
|
35,132
|
1,171
|
C
|
High
|
| 128
|
Prokaryote
|
35,112
|
1,170
|
C
|
High
|
| 129
|
Castle Bravo
|
35,108
|
1,170
|
C
|
High
|
| 130
|
Nuclear warfare
|
35,009
|
1,166
|
C
|
High
|
| 131
|
Mutual assured destruction
|
34,956
|
1,165
|
C
|
High
|
| 132
|
Bromine
|
34,861
|
1,162
|
GA
|
Mid
|
| 133
|
Biome
|
34,750
|
1,158
|
C
|
High
|
| 134
|
United Nations Framework Convention on Climate Change
|
34,493
|
1,149
|
C
|
High
|
| 135
|
Sustainability
|
34,140
|
1,138
|
B
|
High
|
| 136
|
Nuclear power
|
34,019
|
1,133
|
GA
|
High
|
| 137
|
Diesel exhaust fluid
|
33,879
|
1,129
|
C
|
Low
|
| 138
|
Diesel fuel
|
33,815
|
1,127
|
C
|
Mid
|
| 139
|
Ozone
|
33,702
|
1,123
|
B
|
Mid
|
| 140
|
Russia and weapons of mass destruction
|
33,691
|
1,123
|
Start
|
High
|
| 141
|
Recycling
|
33,600
|
1,120
|
B
|
Top
|
| 142
|
Svalbard Global Seed Vault
|
33,454
|
1,115
|
B
|
Mid
|
| 143
|
Deforestation
|
33,353
|
1,111
|
B
|
Top
|
| 144
|
Algae
|
32,937
|
1,097
|
B
|
Mid
|
| 145
|
Kessler syndrome
|
32,406
|
1,080
|
Start
|
Low
|
| 146
|
3M
|
32,327
|
1,077
|
B
|
Unknown
|
| 147
|
Last Glacial Period
|
31,993
|
1,066
|
B
|
Low
|
| 148
|
Fusion power
|
31,967
|
1,065
|
B
|
Low
|
| 149
|
Noise pollution
|
31,547
|
1,051
|
C
|
Mid
|
| 150
|
Per- and polyfluoroalkyl substances
|
31,009
|
1,033
|
C
|
High
|
| 151
|
Love Canal
|
30,533
|
1,017
|
B
|
High
|
| 152
|
Formula E
|
30,532
|
1,017
|
C
|
Low
|
| 153
|
Xiaomi SU7
|
30,400
|
1,013
|
Start
|
Low
|
| 154
|
Holocene extinction
|
30,331
|
1,011
|
B
|
High
|
| 155
|
Air pollution in Delhi
|
30,075
|
1,002
|
C
|
Low
|
| 156
|
Bicycle
|
30,036
|
1,001
|
C
|
High
|
| 157
|
Acid rain
|
29,904
|
996
|
B
|
Top
|
| 158
|
Nuclear power plant
|
29,778
|
992
|
C
|
High
|
| 159
|
Polystyrene
|
29,520
|
984
|
B
|
High
|
| 160
|
Endangered species
|
29,450
|
981
|
C
|
High
|
| 161
|
Water cycle
|
29,289
|
976
|
C
|
High
|
| 162
|
Kyoto Protocol
|
29,127
|
970
|
C
|
High
|
| 163
|
Air conditioning
|
29,114
|
970
|
C
|
High
|
| 164
|
Bidet
|
29,017
|
967
|
C
|
Unknown
|
| 165
|
Smog
|
28,933
|
964
|
B
|
Mid
|
| 166
|
Greenhouse effect
|
28,817
|
960
|
C
|
Top
|
| 167
|
DDT
|
28,804
|
960
|
B
|
High
|
| 168
|
Natural resource
|
28,692
|
956
|
C
|
Top
|
| 169
|
Rainforest
|
28,549
|
951
|
C
|
High
|
| 170
|
National Oceanic and Atmospheric Administration
|
28,524
|
950
|
Start
|
Mid
|
| 171
|
Volkswagen emissions scandal
|
28,245
|
941
|
C
|
High
|
| 172
|
Centralia mine fire
|
28,221
|
940
|
C
|
Mid
|
| 173
|
Green Party (Ireland)
|
28,190
|
939
|
B
|
Unknown
|
| 174
|
John Muir
|
28,030
|
934
|
B
|
Unknown
|
| 175
|
Walden
|
28,028
|
934
|
C
|
Unknown
|
| 176
|
Natural environment
|
27,442
|
914
|
B
|
High
|
| 177
|
History of Tesla, Inc.
|
27,237
|
907
|
C
|
Low
|
| 178
|
Hydroelectricity
|
27,210
|
907
|
C
|
High
|
| 179
|
Electric vehicle
|
27,095
|
903
|
C
|
Top
|
| 180
|
Glyphosate
|
26,994
|
899
|
B
|
Mid
|
| 181
|
Arts and Crafts movement
|
26,978
|
899
|
B
|
Low
|
| 182
|
BMW i8
|
26,968
|
898
|
C
|
High
|
| 183
|
Nature
|
26,777
|
892
|
C
|
Top
|
| 184
|
Microorganism
|
26,646
|
888
|
GA
|
High
|
| 185
|
Malthusianism
|
26,617
|
887
|
B
|
Low
|
| 186
|
List of countries by carbon dioxide emissions per capita
|
26,558
|
885
|
List
|
High
|
| 187
|
Critically Endangered
|
26,494
|
883
|
Start
|
Mid
|
| 188
|
Fuel cell
|
26,359
|
878
|
B
|
High
|
| 189
|
Ecology
|
26,211
|
873
|
GA
|
Top
|
| 190
|
Nuclear holocaust
|
26,207
|
873
|
C
|
High
|
| 191
|
Wind turbine
|
26,049
|
868
|
GA
|
Mid
|
| 192
|
Vandana Shiva
|
25,955
|
865
|
B
|
Mid
|
| 193
|
Hydrazine
|
25,810
|
860
|
B
|
Mid
|
| 194
|
Nuclear winter
|
25,604
|
853
|
B
|
Low
|
| 195
|
FernGully: The Last Rainforest
|
25,569
|
852
|
GA
|
Low
|
| 196
|
Nuclear weapons and Israel
|
25,476
|
849
|
B
|
Low
|
| 197
|
European emission standards
|
25,441
|
848
|
B
|
Mid
|
| 198
|
Nuclear and radiation accidents and incidents
|
25,281
|
842
|
B
|
High
|
| 199
|
Michael S. Regan
|
25,115
|
837
|
Start
|
Low
|
| 200
|
Soil
|
25,095
|
836
|
B
|
Top
|
| 201
|
Solar power
|
25,038
|
834
|
B
|
High
|
| 202
|
World Wide Fund for Nature
|
25,022
|
834
|
C
|
Mid
|
| 203
|
Weapon of mass destruction
|
24,968
|
832
|
C
|
Mid
|
| 204
|
Human population projections
|
24,069
|
802
|
B
|
High
|
| 205
|
Atlantic meridional overturning circulation
|
23,882
|
796
|
C
|
Low
|
| 206
|
Climate change denial
|
23,791
|
793
|
C
|
High
|
| 207
|
Anthropocene
|
23,747
|
791
|
B
|
Mid
|
| 208
|
Glacier
|
23,703
|
790
|
B
|
Low
|
| 209
|
Mining
|
23,698
|
789
|
B
|
High
|
| 210
|
BMW i3
|
23,481
|
782
|
B
|
High
|
| 211
|
SolarCity
|
23,379
|
779
|
B
|
High
|
| 212
|
Green Party of Aotearoa New Zealand
|
23,355
|
778
|
C
|
Low
|
| 213
|
Water stagnation
|
23,342
|
778
|
Start
|
Low
|
| 214
|
Deepwater Horizon explosion
|
23,287
|
776
|
C
|
Unknown
|
| 215
|
Nuclear submarine
|
23,243
|
774
|
C
|
Unknown
|
| 216
|
Patagonia, Inc.
|
23,210
|
773
|
C
|
Low
|
| 217
|
Permafrost
|
23,128
|
770
|
GA
|
Low
|
| 218
|
International Union for Conservation of Nature
|
23,066
|
768
|
C
|
Mid
|
| 219
|
Human impact on the environment
|
22,982
|
766
|
C
|
Top
|
| 220
|
Polonium
|
22,511
|
750
|
GA
|
Mid
|
| 221
|
Botany
|
22,450
|
748
|
GA
|
High
|
| 222
|
Wind power
|
22,364
|
745
|
B
|
High
|
| 223
|
Exxon Valdez oil spill
|
22,302
|
743
|
B
|
High
|
| 224
|
Ozone depletion
|
22,268
|
742
|
B
|
High
|
| 225
|
Martin Heinrich
|
22,218
|
740
|
C
|
Unknown
|
| 226
|
List of countries by renewable electricity production
|
22,065
|
735
|
List
|
Mid
|
| 227
|
Ozone layer
|
22,055
|
735
|
C
|
High
|
| 228
|
Drinking water
|
22,055
|
735
|
B
|
High
|
| 229
|
Environmental issues
|
22,040
|
734
|
B
|
Top
|
| 230
|
Corporate social responsibility
|
21,990
|
733
|
B
|
Mid
|
| 231
|
International Solar Alliance
|
21,924
|
730
|
C
|
Mid
|
| 232
|
Caroline Gleich
|
21,906
|
730
|
Start
|
Low
|
| 233
|
Dichloromethane
|
21,845
|
728
|
B
|
Low
|
| 234
|
Silent Spring
|
21,838
|
727
|
B
|
High
|
| 235
|
Laurie David
|
21,671
|
722
|
C
|
Low
|
| 236
|
Benjamin Bronfman
|
21,650
|
721
|
Start
|
Low
|
| 237
|
International Nuclear Event Scale
|
21,593
|
719
|
C
|
Mid
|
| 238
|
Invasive species
|
21,553
|
718
|
GA
|
High
|
| 239
|
Atrazine
|
21,451
|
715
|
Start
|
High
|
| 240
|
Pathogen
|
21,444
|
714
|
B
|
High
|
| 241
|
Solar energy
|
21,435
|
714
|
B
|
High
|
| 242
|
Tesla Model X
|
21,366
|
712
|
C
|
Unknown
|
| 243
|
List of countries by carbon dioxide emissions
|
21,300
|
710
|
List
|
Mid
|
| 244
|
Drought
|
21,240
|
708
|
C
|
High
|
| 245
|
Omar Fayed
|
21,233
|
707
|
Start
|
Unknown
|
| 246
|
New York State Department of Environmental Conservation
|
21,205
|
706
|
C
|
Mid
|
| 247
|
Rainwater harvesting
|
21,084
|
702
|
C
|
Mid
|
| 248
|
Carcinogen
|
21,080
|
702
|
C
|
High
|
| 249
|
Extinct in the wild
|
21,077
|
702
|
Start
|
Mid
|
| 250
|
Windmill
|
21,066
|
702
|
B
|
High
|
| 251
|
Buckminster Fuller
|
20,982
|
699
|
C
|
Low
|
| 252
|
Enriched uranium
|
20,946
|
698
|
B
|
Mid
|
| 253
|
Water purification
|
20,700
|
690
|
B
|
High
|
| 254
|
Least-concern species
|
20,649
|
688
|
Start
|
Low
|
| 255
|
Hamza Yassin
|
20,585
|
686
|
Start
|
Low
|
| 256
|
Agriculture in India
|
20,576
|
685
|
B
|
High
|
| 257
|
Plug-in hybrid
|
20,574
|
685
|
B
|
Mid
|
| 258
|
Environmental protection
|
20,561
|
685
|
C
|
Top
|
| 259
|
Ecocide
|
20,544
|
684
|
B
|
Mid
|
| 260
|
David Bale
|
20,479
|
682
|
C
|
Low
|
| 261
|
Electric car
|
20,472
|
682
|
C
|
Top
|
| 262
|
United States withdrawal from the Paris Agreement
|
20,359
|
678
|
C
|
Mid
|
| 263
|
Civilian Conservation Corps
|
20,352
|
678
|
B
|
High
|
| 264
|
Administrator of the Environmental Protection Agency
|
20,306
|
676
|
Start
|
High
|
| 265
|
Depleted uranium
|
20,248
|
674
|
B
|
High
|
| 266
|
Weed
|
20,120
|
670
|
B
|
High
|
| 267
|
Solar cell
|
20,070
|
669
|
B
|
High
|
| 268
|
List of global issues
|
20,070
|
669
|
List
|
Low
|
| 269
|
Population growth
|
20,067
|
668
|
C
|
High
|
| 270
|
Nevada Test Site
|
19,931
|
664
|
B
|
Mid
|
| 271
|
Nuclear weapons testing
|
19,862
|
662
|
C
|
High
|
| 272
|
Greenpeace
|
19,642
|
654
|
C
|
High
|
| 273
|
Fast fashion
|
19,608
|
653
|
C
|
Mid
|
| 274
|
Food security
|
19,567
|
652
|
C
|
Low
|
| 275
|
Minamata disease
|
19,546
|
651
|
B
|
Unknown
|
| 276
|
Hybrid electric vehicle
|
19,541
|
651
|
B
|
Mid
|
| 277
|
Median lethal dose
|
19,445
|
648
|
Start
|
High
|
| 278
|
Porsche Taycan
|
19,416
|
647
|
B
|
High
|
| 279
|
Acetaldehyde
|
19,411
|
647
|
B
|
Mid
|
| 280
|
Water conservation
|
19,358
|
645
|
C
|
High
|
| 281
|
Carbon footprint
|
19,326
|
644
|
C
|
Mid
|
| 282
|
Warfarin
|
19,266
|
642
|
GA
|
Mid
|
| 283
|
Michael McCaul
|
19,135
|
637
|
Start
|
Low
|
| 284
|
Pesticide
|
19,055
|
635
|
B
|
Mid
|
| 285
|
Pew Research Center
|
19,028
|
634
|
C
|
Low
|
| 286
|
Sellafield
|
19,009
|
633
|
B
|
High
|
| 287
|
An Inconvenient Truth
|
18,989
|
632
|
GA
|
Mid
|
| 288
|
SL-1
|
18,895
|
629
|
B
|
Mid
|
| 289
|
Greenhouse gas emissions
|
18,890
|
629
|
C
|
Top
|
| 290
|
Hinkley Point C nuclear power station
|
18,847
|
628
|
C
|
Mid
|
| 291
|
Portland cement
|
18,826
|
627
|
B
|
High
|
| 292
|
Windscale fire
|
18,645
|
621
|
B
|
Mid
|
| 293
|
Nuclear fallout
|
18,643
|
621
|
C
|
Top
|
| 294
|
15-minute city
|
18,642
|
621
|
C
|
High
|
| 295
|
Joseph Stiglitz
|
18,626
|
620
|
B
|
Mid
|
| 296
|
Milankovitch cycles
|
18,582
|
619
|
B
|
Low
|
| 297
|
Rachel Carson
|
18,558
|
618
|
FA
|
High
|
| 298
|
Polychlorinated biphenyl
|
18,405
|
613
|
B
|
High
|
| 299
|
Tesla Semi
|
18,364
|
612
|
C
|
Low
|
| 300
|
Rimac Nevera
|
18,343
|
611
|
Start
|
Unknown
|
| 301
|
Wildlife
|
18,339
|
611
|
C
|
High
|
| 302
|
Genetically modified organism
|
18,239
|
607
|
GA
|
Mid
|
| 303
|
Carbon dioxide in Earth's atmosphere
|
18,177
|
605
|
C
|
Mid
|
| 304
|
Jim Inhofe
|
18,135
|
604
|
B
|
Low
|
| 305
|
Effects of climate change
|
18,120
|
604
|
GA
|
Top
|
| 306
|
Ivy Mike
|
18,070
|
602
|
C
|
High
|
| 307
|
Mate Rimac
|
18,067
|
602
|
C
|
Low
|
| 308
|
Albedo
|
17,995
|
599
|
B
|
Mid
|
| 309
|
Volatile organic compound
|
17,841
|
594
|
C
|
Mid
|
| 310
|
Electrolysis of water
|
17,797
|
593
|
C
|
Low
|
| 311
|
Fresh water
|
17,724
|
590
|
C
|
High
|
| 312
|
Nissan Leaf
|
17,663
|
588
|
B
|
High
|
| 313
|
Sewage treatment
|
17,564
|
585
|
B
|
High
|
| 314
|
Chlorofluorocarbon
|
17,477
|
582
|
B
|
Top
|
| 315
|
Permethrin
|
17,428
|
580
|
C
|
Low
|
| 316
|
United Nations Convention on the Law of the Sea
|
17,402
|
580
|
C
|
High
|
| 317
|
African humid period
|
17,325
|
577
|
GA
|
Low
|
| 318
|
Prestige oil spill
|
17,316
|
577
|
C
|
Unknown
|
| 319
|
Plastic pollution
|
17,311
|
577
|
B
|
High
|
| 320
|
Australian Greens
|
17,276
|
575
|
B
|
Unknown
|
| 321
|
Bisphenol A
|
17,272
|
575
|
GA
|
High
|
| 322
|
International Atomic Energy Agency
|
17,217
|
573
|
B
|
Mid
|
| 323
|
Carbon capture and storage
|
17,209
|
573
|
C
|
Mid
|
| 324
|
Phosgene
|
17,140
|
571
|
B
|
Mid
|
| 325
|
National park
|
17,120
|
570
|
C
|
High
|
| 326
|
Green politics
|
17,006
|
566
|
C
|
Low
|
| 327
|
Tesla Roadster (second generation)
|
16,986
|
566
|
Start
|
Low
|
| 328
|
Last Glacial Maximum
|
16,903
|
563
|
B
|
Mid
|
| 329
|
Megadiverse countries
|
16,798
|
559
|
Start
|
Mid
|
| 330
|
Dana Rohrabacher
|
16,786
|
559
|
B
|
Mid
|
| 331
|
Earthrise
|
16,786
|
559
|
C
|
High
|
| 332
|
Eutrophication
|
16,751
|
558
|
B
|
High
|
| 333
|
Snowball Earth
|
16,747
|
558
|
B
|
Low
|
| 334
|
Effects of nuclear explosions
|
16,731
|
557
|
B
|
High
|
| 335
|
Biofuel
|
16,720
|
557
|
C
|
Low
|
| 336
|
Old-growth forest
|
16,717
|
557
|
C
|
High
|
| 337
|
Cistern
|
16,677
|
555
|
Start
|
Mid
|
| 338
|
Biological warfare
|
16,663
|
555
|
B
|
High
|
| 339
|
Quality of life
|
16,602
|
553
|
Start
|
Mid
|
| 340
|
Lignite
|
16,493
|
549
|
C
|
High
|
| 341
|
Segway
|
16,307
|
543
|
C
|
Unknown
|
| 342
|
GMC Hummer EV
|
16,271
|
542
|
C
|
Low
|
| 343
|
Hanford Site
|
16,258
|
541
|
FA
|
Mid
|
| 344
|
Genetically modified food
|
16,236
|
541
|
B
|
Mid
|
| 345
|
Economic growth
|
16,193
|
539
|
B
|
High
|
| 346
|
Ecofascism
|
16,119
|
537
|
B
|
Mid
|
| 347
|
Fatberg
|
16,055
|
535
|
Start
|
Low
|
| 348
|
Boaty McBoatface
|
16,051
|
535
|
C
|
Low
|
| 349
|
Kyshtym disaster
|
16,026
|
534
|
C
|
High
|
| 350
|
CITES
|
16,023
|
534
|
C
|
Mid
|
| 351
|
Honda Insight
|
15,925
|
530
|
B
|
Low
|
| 352
|
XPeng
|
15,908
|
530
|
C
|
Low
|
| 353
|
Wendell Berry
|
15,884
|
529
|
B
|
Unknown
|
| 354
|
Fisker Inc.
|
15,813
|
527
|
C
|
Low
|
| 355
|
Air pollution in India
|
15,806
|
526
|
C
|
Mid
|
| 356
|
Greenwashing
|
15,765
|
525
|
C
|
Mid
|
| 357
|
Microplastics
|
15,714
|
523
|
C
|
Top
|
| 358
|
Photovoltaics
|
15,650
|
521
|
B
|
Mid
|
| 359
|
Three Mile Island Nuclear Generating Station
|
15,603
|
520
|
C
|
High
|
| 360
|
Jevons paradox
|
15,570
|
519
|
GA
|
Mid
|
| 361
|
Global catastrophic risk
|
15,566
|
518
|
B
|
High
|
| 362
|
Earth Day
|
15,557
|
518
|
C
|
High
|
| 363
|
Trade winds
|
15,475
|
515
|
GA
|
Mid
|
| 364
|
Phthalates
|
15,461
|
515
|
B
|
High
|
| 365
|
Gasoline direct injection
|
15,389
|
512
|
C
|
Mid
|
| 366
|
Will Attenborough
|
15,238
|
507
|
Start
|
Low
|
| 367
|
Biosphere
|
15,211
|
507
|
C
|
High
|
| 368
|
Landfill
|
15,180
|
506
|
C
|
Mid
|
| 369
|
Toyota Mirai
|
15,071
|
502
|
B
|
High
|
| 370
|
Jaguar C-X75
|
15,058
|
501
|
B
|
Mid
|
| 371
|
Teratology
|
14,997
|
499
|
C
|
Mid
|
| 372
|
Smokey Bear
|
14,957
|
498
|
B
|
Mid
|
| 373
|
BYD Seagull
|
14,920
|
497
|
Start
|
Mid
|
| 374
|
Stream
|
14,910
|
497
|
Start
|
Mid
|
| 375
|
Ecotourism
|
14,885
|
496
|
C
|
High
|
| 376
|
Gaia hypothesis
|
14,855
|
495
|
C
|
Low
|
| 377
|
Pollution of the Ganges
|
14,828
|
494
|
C
|
Unknown
|
| 378
|
Compost
|
14,817
|
493
|
B
|
Low
|
| 379
|
Environmental law
|
14,784
|
492
|
C
|
High
|
| 380
|
Hybrid vehicle
|
14,765
|
492
|
C
|
High
|
| 381
|
Solarpunk
|
14,744
|
491
|
B
|
Low
|
| 382
|
Electric car use by country
|
14,722
|
490
|
B
|
High
|
| 383
|
Tesla Cybercab
|
14,693
|
489
|
Unknown
|
Unknown
|
| 384
|
Lucid Air
|
14,646
|
488
|
C
|
Low
|
| 385
|
Yvon Chouinard
|
14,633
|
487
|
Start
|
Unknown
|
| 386
|
Pace University School of Law
|
14,617
|
487
|
Start
|
High
|
| 387
|
Soil contamination
|
14,590
|
486
|
C
|
Mid
|
| 388
|
Erosion
|
14,584
|
486
|
C
|
High
|
| 389
|
Montreal Protocol
|
14,544
|
484
|
C
|
High
|
| 390
|
History of the electric vehicle
|
14,531
|
484
|
B
|
Unknown
|
| 391
|
Intergovernmental Panel on Climate Change
|
14,523
|
484
|
B
|
High
|
| 392
|
Nuclear power in the United States
|
14,431
|
481
|
B
|
High
|
| 393
|
Tetraethyllead
|
14,392
|
479
|
C
|
High
|
| 394
|
Sea level rise
|
14,319
|
477
|
GA
|
High
|
| 395
|
Conference of the parties
|
14,278
|
475
|
Start
|
High
|
| 396
|
NIMBY
|
14,227
|
474
|
B
|
Mid
|
| 397
|
Doomer
|
14,183
|
472
|
Start
|
Low
|
| 398
|
Pesticide poisoning
|
14,155
|
471
|
C
|
High
|
| 399
|
Waterfall
|
14,115
|
470
|
B
|
Mid
|
| 400
|
Permaculture
|
14,105
|
470
|
GA
|
Mid
|
| 401
|
Habitat
|
14,098
|
469
|
GA
|
High
|
| 402
|
Hydrogen vehicle
|
14,092
|
469
|
B
|
High
|
| 403
|
Prairie
|
14,088
|
469
|
B
|
Mid
|
| 404
|
Just Stop Oil
|
14,019
|
467
|
B
|
Low
|
| 405
|
Bushmeat
|
13,901
|
463
|
C
|
Mid
|
| 406
|
Land reclamation
|
13,887
|
462
|
C
|
Mid
|
| 407
|
Subarctic climate
|
13,874
|
462
|
C
|
Low
|
| 408
|
Chemical weapons in World War I
|
13,843
|
461
|
C
|
Low
|
| 409
|
Green party
|
13,818
|
460
|
C
|
High
|
| 410
|
Poaching
|
13,741
|
458
|
B
|
Top
|
| 411
|
Biogas
|
13,733
|
457
|
C
|
Mid
|
| 412
|
Roundup (herbicide)
|
13,707
|
456
|
C
|
High
|
| 413
|
Food web
|
13,689
|
456
|
B
|
High
|
| 414
|
Aquaculture
|
13,647
|
454
|
B
|
Low
|
| 415
|
United Nations Environment Programme
|
13,613
|
453
|
B
|
Mid
|
| 416
|
Radioactive waste
|
13,603
|
453
|
B
|
High
|
| 417
|
Great Stink
|
13,601
|
453
|
FA
|
Low
|
| 418
|
Motor oil
|
13,564
|
452
|
C
|
Low
|
| 419
|
Combined Charging System
|
13,561
|
452
|
Start
|
Mid
|
| 420
|
Highest temperature recorded on Earth
|
13,540
|
451
|
C
|
Mid
|
| 421
|
Wangarĩ Maathai
|
13,488
|
449
|
B
|
High
|
| 422
|
Seawater
|
13,436
|
447
|
C
|
High
|
| 423
|
BYD Seal
|
13,392
|
446
|
C
|
Unknown
|
| 424
|
Hyundai Ioniq 5
|
13,368
|
445
|
Start
|
Low
|
| 425
|
Slag
|
13,321
|
444
|
C
|
Mid
|
| 426
|
Carla Denyer
|
13,315
|
443
|
C
|
Low
|
| 427
|
Arsenic poisoning
|
13,300
|
443
|
B
|
High
|
| 428
|
Styrene
|
13,279
|
442
|
Start
|
High
|
| 429
|
The Limits to Growth
|
13,256
|
441
|
B
|
Low
|
| 430
|
Kuwaiti oil fires
|
13,199
|
439
|
C
|
High
|
| 431
|
Wastewater treatment
|
13,165
|
438
|
C
|
High
|
| 432
|
Superfund
|
13,155
|
438
|
B
|
Low
|
| 433
|
Jungle
|
13,131
|
437
|
C
|
Mid
|
| 434
|
Tropical savanna climate
|
13,110
|
437
|
Start
|
Mid
|
| 435
|
Habitable zone
|
13,085
|
436
|
B
|
Low
|
| 436
|
Desertification
|
13,051
|
435
|
C
|
High
|
| 437
|
Nio Inc.
|
13,044
|
434
|
C
|
Low
|
| 438
|
Plutonium-239
|
13,027
|
434
|
C
|
Mid
|
| 439
|
Isra Hirsi
|
13,003
|
433
|
Start
|
Low
|
| 440
|
Risk
|
12,967
|
432
|
C
|
High
|
| 441
|
Lake Karachay
|
12,918
|
430
|
Start
|
Unknown
|
| 442
|
Hydropower
|
12,887
|
429
|
C
|
Unknown
|
| 443
|
Carbon offsets and credits
|
12,874
|
429
|
B
|
High
|
| 444
|
New 7 Wonders of Nature
|
12,872
|
429
|
Start
|
Unknown
|
| 445
|
Environmentalism
|
12,830
|
427
|
B
|
Top
|
| 446
|
Fukushima Daiichi Nuclear Power Plant
|
12,821
|
427
|
C
|
High
|
| 447
|
Sustainable agriculture
|
12,812
|
427
|
C
|
High
|
| 448
|
Oil spill
|
12,801
|
426
|
B
|
Low
|
| 449
|
Concentrated solar power
|
12,783
|
426
|
C
|
High
|
| 450
|
Solar-cell efficiency
|
12,778
|
425
|
B
|
High
|
| 451
|
Safe (1995 film)
|
12,768
|
425
|
Start
|
Unknown
|
| 452
|
Chevrolet Volt
|
12,744
|
424
|
B
|
High
|
| 453
|
Nuclear testing at Bikini Atoll
|
12,713
|
423
|
B
|
High
|
| 454
|
Carbon cycle
|
12,697
|
423
|
B
|
High
|
| 455
|
Keystone species
|
12,693
|
423
|
GA
|
Mid
|
| 456
|
Millennium Development Goals
|
12,655
|
421
|
C
|
Low
|
| 457
|
Ivanpah Solar Power Facility
|
12,655
|
421
|
C
|
Mid
|
| 458
|
Pastoralism
|
12,651
|
421
|
C
|
Mid
|
| 459
|
Chemical weapon
|
12,640
|
421
|
C
|
High
|
| 460
|
Bharat stage emission standards
|
12,614
|
420
|
C
|
Low
|
| 461
|
Scott Pruitt
|
12,571
|
419
|
B
|
Mid
|
| 462
|
Electronic waste
|
12,555
|
418
|
C
|
Unknown
|
| 463
|
General Motors EV1
|
12,436
|
414
|
B
|
Top
|
| 464
|
Murray Bookchin
|
12,394
|
413
|
B
|
Unknown
|
| 465
|
Pininfarina Battista
|
12,390
|
413
|
Start
|
Low
|
| 466
|
Light pollution
|
12,334
|
411
|
C
|
Unknown
|
| 467
|
Regenerative agriculture
|
12,331
|
411
|
C
|
Low
|
| 468
|
Honda CR-Z
|
12,305
|
410
|
B
|
Mid
|
| 469
|
Petrochemical
|
12,291
|
409
|
Start
|
High
|
| 470
|
Sustainable energy
|
12,241
|
408
|
FA
|
High
|
| 471
|
Breeder reactor
|
12,236
|
407
|
C
|
Low
|
| 472
|
Chevrolet Bolt
|
12,233
|
407
|
Start
|
High
|
| 473
|
Endocrine disruptor
|
12,196
|
406
|
C
|
High
|
| 474
|
Aerosol
|
12,127
|
404
|
C
|
High
|
| 475
|
Build Back Better Plan
|
12,080
|
402
|
C
|
Low
|
| 476
|
Scientific consensus on climate change
|
12,072
|
402
|
C
|
High
|
| 477
|
Li Mega
|
12,050
|
401
|
Stub
|
Low
|
| 478
|
Ecosia
|
12,048
|
401
|
C
|
Low
|
| 479
|
Recycling codes
|
12,047
|
401
|
Start
|
Unknown
|
| 480
|
Environmental degradation
|
12,041
|
401
|
C
|
Top
|
| 481
|
Petroleum industry
|
12,021
|
400
|
C
|
High
|
| 482
|
Nitrogen fixation
|
11,977
|
399
|
B
|
Mid
|
| 483
|
Particulates
|
11,958
|
398
|
B
|
High
|
| 484
|
Agenda 21
|
11,936
|
397
|
C
|
High
|
| 485
|
List of BYD Auto vehicles
|
11,929
|
397
|
List
|
Low
|
| 486
|
Aflatoxin
|
11,926
|
397
|
B
|
High
|
| 487
|
Simple living
|
11,915
|
397
|
Start
|
Unknown
|
| 488
|
George Monbiot
|
11,906
|
396
|
Start
|
Unknown
|
| 489
|
Raúl Grijalva
|
11,895
|
396
|
C
|
Low
|
| 490
|
Terrestrial animal
|
11,882
|
396
|
Start
|
High
|
| 491
|
Toyota Prius Plug-in Hybrid
|
11,859
|
395
|
B
|
Mid
|
| 492
|
Environmental science
|
11,858
|
395
|
C
|
Unknown
|
| 493
|
Freon
|
11,844
|
394
|
Start
|
High
|
| 494
|
Trichloroethylene
|
11,831
|
394
|
B
|
Mid
|
| 495
|
Diesel particulate filter
|
11,822
|
394
|
C
|
Mid
|
| 496
|
Vulnerable species
|
11,817
|
393
|
Start
|
Mid
|
| 497
|
Robin Wall Kimmerer
|
11,745
|
391
|
C
|
Low
|
| 498
|
Waste
|
11,683
|
389
|
C
|
Top
|
| 499
|
Earth Summit
|
11,678
|
389
|
Start
|
Low
|
| 500
|
Ford Mustang Mach-E
|
11,632
|
387
|
Start
|
Low
|
| 501
|
Recycling symbol
|
11,606
|
386
|
Start
|
Unknown
|
| 502
|
Globally Harmonized System of Classification and Labelling of Chemicals
|
11,596
|
386
|
C
|
Mid
|
| 503
|
Biodiesel
|
11,583
|
386
|
C
|
Low
|
| 504
|
Marine life
|
11,576
|
385
|
B
|
High
|
| 505
|
Neurotoxin
|
11,545
|
384
|
B
|
High
|
| 506
|
Honda e
|
11,535
|
384
|
C
|
Low
|
| 507
|
1966 Palomares incident
|
11,463
|
382
|
B
|
High
|
| 508
|
List of environmental dates
|
11,462
|
382
|
List
|
Mid
|
| 509
|
Sustainable living
|
11,461
|
382
|
B
|
High
|
| 510
|
Water scarcity
|
11,439
|
381
|
B
|
High
|
| 511
|
Global surface temperature
|
11,403
|
380
|
C
|
Unknown
|
| 512
|
Circular economy
|
11,392
|
379
|
Start
|
Mid
|
| 513
|
Enewetak Atoll
|
11,333
|
377
|
Start
|
Mid
|
| 514
|
History of nuclear weapons
|
11,314
|
377
|
C
|
High
|
| 515
|
Nuclear power in the United Kingdom
|
11,294
|
376
|
B
|
Mid
|
| 516
|
Ethylene oxide
|
11,268
|
375
|
B
|
Mid
|
| 517
|
Acrylamide
|
11,265
|
375
|
B
|
Mid
|
| 518
|
Global warming potential
|
11,260
|
375
|
C
|
Low
|
| 519
|
Environmental movement
|
11,252
|
375
|
B
|
High
|
| 520
|
The Honest Company
|
11,197
|
373
|
Start
|
Low
|
| 521
|
Rodenticide
|
11,192
|
373
|
C
|
Mid
|
| 522
|
2024 United Nations Biodiversity Conference
|
11,158
|
371
|
Start
|
High
|
| 523
|
Incineration
|
11,107
|
370
|
B
|
Mid
|
| 524
|
Sanitation
|
11,092
|
369
|
B
|
High
|
| 525
|
Conspicuous consumption
|
11,062
|
368
|
B
|
Low
|
| 526
|
Fisker Karma
|
10,997
|
366
|
B
|
Mid
|
| 527
|
Perovskite solar cell
|
10,997
|
366
|
C
|
Mid
|
| 528
|
Lotus Evija
|
10,969
|
365
|
C
|
Low
|
| 529
|
John E. Sununu
|
10,965
|
365
|
C
|
Low
|
| 530
|
Solar power by country
|
10,937
|
364
|
C
|
High
|
| 531
|
Slash-and-burn
|
10,912
|
363
|
C
|
Mid
|
| 532
|
Extremophile
|
10,899
|
363
|
C
|
Mid
|
| 533
|
Nikola Corporation
|
10,887
|
362
|
C
|
Unknown
|
| 534
|
Tesla Powerwall
|
10,875
|
362
|
C
|
High
|
| 535
|
Oxy-fuel welding and cutting
|
10,864
|
362
|
B
|
Unknown
|
| 536
|
Sea Shepherd Conservation Society
|
10,855
|
361
|
B
|
Unknown
|
| 537
|
Anthropocentrism
|
10,839
|
361
|
C
|
High
|
| 538
|
South Africa and weapons of mass destruction
|
10,835
|
361
|
Start
|
Mid
|
| 539
|
Dirty bomb
|
10,812
|
360
|
C
|
Mid
|
| 540
|
Yangwang U9
|
10,799
|
359
|
Stub
|
Unknown
|
| 541
|
Resource
|
10,794
|
359
|
C
|
High
|
| 542
|
Hydrogen production
|
10,767
|
358
|
C
|
Mid
|
| 543
|
Hydrogenation
|
10,748
|
358
|
B
|
Unknown
|
| 544
|
Yucca Mountain nuclear waste repository
|
10,744
|
358
|
C
|
Low
|
| 545
|
Alpha decay
|
10,741
|
358
|
C
|
Mid
|
| 546
|
Life-cycle assessment
|
10,730
|
357
|
B
|
Top
|
| 547
|
Fisker Ocean
|
10,687
|
356
|
C
|
Unknown
|
| 548
|
NOx
|
10,680
|
356
|
Start
|
Low
|
| 549
|
2021 United Nations Climate Change Conference
|
10,653
|
355
|
C
|
High
|
| 550
|
Non-renewable resource
|
10,615
|
353
|
C
|
High
|
| 551
|
Polycyclic aromatic hydrocarbon
|
10,610
|
353
|
B
|
High
|
| 552
|
Pumped-storage hydroelectricity
|
10,589
|
352
|
B
|
Unknown
|
| 553
|
Municipal solid waste
|
10,557
|
351
|
Start
|
High
|
| 554
|
Forest of Dean
|
10,530
|
351
|
C
|
Mid
|
| 555
|
Chemical warfare
|
10,525
|
350
|
C
|
High
|
| 556
|
LEED
|
10,490
|
349
|
C
|
High
|
| 557
|
High-occupancy vehicle lane
|
10,476
|
349
|
C
|
High
|
| 558
|
Convention on Biological Diversity
|
10,467
|
348
|
C
|
High
|
| 559
|
Renewable resource
|
10,419
|
347
|
Start
|
Mid
|
| 560
|
Timeline of first images of Earth from space
|
10,411
|
347
|
List
|
Low
|
| 561
|
Natural history
|
10,375
|
345
|
C
|
High
|
| 562
|
William Kamkwamba
|
10,366
|
345
|
C
|
Unknown
|
| 563
|
Dersu Uzala (1975 film)
|
10,341
|
344
|
C
|
Low
|
| 564
|
Right to repair
|
10,316
|
343
|
B
|
Unknown
|
| 565
|
Valero Energy
|
10,291
|
343
|
C
|
Low
|
| 566
|
Crankcase ventilation system
|
10,287
|
342
|
C
|
Low
|
| 567
|
Flow cytometry
|
10,274
|
342
|
C
|
Low
|
| 568
|
Environmental policy of the first Donald Trump administration
|
10,270
|
342
|
B
|
Mid
|
| 569
|
List of natural phenomena
|
10,257
|
341
|
Stub
|
Unknown
|
| 570
|
Sunlight
|
10,244
|
341
|
B
|
Low
|
| 571
|
Rolls-Royce Spectre
|
10,239
|
341
|
Start
|
Low
|
| 572
|
Mycotoxin
|
10,232
|
341
|
C
|
Mid
|
| 573
|
BMW i4
|
10,212
|
340
|
Start
|
High
|
| 574
|
Ken Saro-Wiwa
|
10,209
|
340
|
B
|
Low
|
| 575
|
Dartmoor
|
10,207
|
340
|
C
|
High
|
| 576
|
Subsidy
|
10,201
|
340
|
C
|
Mid
|
| 577
|
Climate change mitigation
|
10,180
|
339
|
C
|
High
|
| 578
|
Renault Twizy
|
10,171
|
339
|
C
|
High
|
| 579
|
Cancer Alley
|
10,165
|
338
|
C
|
High
|
| 580
|
Polestar 2
|
10,137
|
337
|
C
|
Low
|
| 581
|
Battery electric vehicle
|
10,124
|
337
|
C
|
Mid
|
| 582
|
BYD Atto 3
|
10,113
|
337
|
Start
|
Low
|
| 583
|
Net-zero emissions
|
10,070
|
335
|
C
|
Mid
|
| 584
|
Medieval Warm Period
|
10,069
|
335
|
C
|
Low
|
| 585
|
Toyota bZ4X
|
10,062
|
335
|
C
|
Low
|
| 586
|
Asbestosis
|
10,056
|
335
|
B
|
Mid
|
| 587
|
Water distribution on Earth
|
10,036
|
334
|
Start
|
Unknown
|
| 588
|
Firestorm
|
10,023
|
334
|
C
|
Mid
|
| 589
|
Solar power in India
|
10,023
|
334
|
C
|
Mid
|
| 590
|
Arable land
|
10,016
|
333
|
C
|
High
|
| 591
|
Great Green Wall (Africa)
|
10,011
|
333
|
Start
|
Mid
|
| 592
|
Climate engineering
|
10,009
|
333
|
B
|
Mid
|
| 593
|
Andrew R. Wheeler
|
9,998
|
333
|
C
|
Low
|
| 594
|
Volkswagen ID.4
|
9,997
|
333
|
C
|
Unknown
|
| 595
|
Toxicity
|
9,990
|
333
|
C
|
High
|
| 596
|
Anne Hidalgo
|
9,986
|
332
|
C
|
Low
|
| 597
|
Carbon sequestration
|
9,983
|
332
|
B
|
High
|
| 598
|
Extinction Rebellion
|
9,976
|
332
|
B
|
High
|
| 599
|
North American Charging System
|
9,959
|
331
|
C
|
Mid
|
| 600
|
Representative Concentration Pathway
|
9,955
|
331
|
C
|
Mid
|
| 601
|
Subsistence agriculture
|
9,953
|
331
|
C
|
Low
|
| 602
|
Zone rouge
|
9,931
|
331
|
Start
|
Mid
|
| 603
|
China and weapons of mass destruction
|
9,895
|
329
|
C
|
High
|
| 604
|
Human overpopulation
|
9,884
|
329
|
C
|
High
|
| 605
|
Eco-terrorism
|
9,872
|
329
|
C
|
High
|
| 606
|
Toxicology
|
9,818
|
327
|
C
|
Mid
|
| 607
|
Agroforestry
|
9,754
|
325
|
C
|
Low
|
| 608
|
David Suzuki
|
9,739
|
324
|
B
|
Unknown
|
| 609
|
Family planning
|
9,736
|
324
|
B
|
Low
|
| 610
|
Rechargeable battery
|
9,717
|
323
|
C
|
High
|
| 611
|
European Green Deal
|
9,699
|
323
|
C
|
Low
|
| 612
|
Methyl isocyanate
|
9,691
|
323
|
B
|
Mid
|
| 613
|
Rivian R1T
|
9,691
|
323
|
Start
|
Low
|
| 614
|
Winona LaDuke
|
9,669
|
322
|
C
|
Low
|
| 615
|
Food safety
|
9,656
|
321
|
C
|
Mid
|
| 616
|
BYD Qin
|
9,646
|
321
|
Start
|
High
|
| 617
|
Waste Management, Inc.
|
9,636
|
321
|
Start
|
Low
|
| 618
|
Dust
|
9,628
|
320
|
C
|
Low
|
| 619
|
Chemical industry
|
9,624
|
320
|
Start
|
High
|
| 620
|
Sierra Club
|
9,601
|
320
|
B
|
Mid
|
| 621
|
Timeline of glaciation
|
9,517
|
317
|
List
|
Unknown
|
| 622
|
Dakota Access Pipeline protests
|
9,509
|
316
|
C
|
Low
|
| 623
|
Ecofeminism
|
9,494
|
316
|
B
|
High
|
| 624
|
Creation Lake
|
9,494
|
316
|
Start
|
Low
|
| 625
|
Clean Air Act (United States)
|
9,490
|
316
|
Start
|
Low
|
| 626
|
Debate over the atomic bombings of Hiroshima and Nagasaki
|
9,485
|
316
|
B
|
Mid
|
| 627
|
McMurtry Spéirling
|
9,476
|
315
|
Start
|
Unknown
|
| 628
|
Steven Chu
|
9,475
|
315
|
C
|
Mid
|
| 629
|
Baraka (film)
|
9,458
|
315
|
Start
|
Unknown
|
| 630
|
Renault 5 E-Tech
|
9,451
|
315
|
C
|
Low
|
| 631
|
Electric bicycle
|
9,437
|
314
|
C
|
Mid
|
| 632
|
Ramsar Convention
|
9,422
|
314
|
C
|
Mid
|
| 633
|
Cow dung
|
9,382
|
312
|
Start
|
Low
|
| 634
|
Urban heat island
|
9,376
|
312
|
B
|
Mid
|
| 635
|
Wind farm
|
9,375
|
312
|
B
|
High
|
| 636
|
Daigo Fukuryū Maru
|
9,372
|
312
|
C
|
Mid
|
| 637
|
Organophosphate
|
9,365
|
312
|
C
|
High
|
| 638
|
Arbor Day
|
9,354
|
311
|
C
|
High
|
| 639
|
Ethanol fuel
|
9,349
|
311
|
B
|
High
|
| 640
|
Liquid hydrogen
|
9,329
|
310
|
Start
|
Unknown
|
| 641
|
Litter
|
9,311
|
310
|
B
|
Mid
|
| 642
|
Hexavalent chromium
|
9,299
|
309
|
B
|
High
|
| 643
|
List of battery electric vehicles
|
9,292
|
309
|
List
|
Mid
|
| 644
|
Hinkley groundwater contamination
|
9,290
|
309
|
Start
|
Low
|
| 645
|
Herbicide
|
9,286
|
309
|
C
|
High
|
| 646
|
Insecticide
|
9,242
|
308
|
C
|
High
|
| 647
|
Volkswagen ID. Buzz
|
9,227
|
307
|
C
|
Mid
|
| 648
|
Biological agent
|
9,223
|
307
|
C
|
High
|
| 649
|
Stratospheric aerosol injection
|
9,223
|
307
|
C
|
High
|
| 650
|
Ramsar site
|
9,215
|
307
|
Start
|
High
|
| 651
|
Dioxins and dioxin-like compounds
|
9,208
|
306
|
C
|
Low
|
| 652
|
Deforestation of the Amazon rainforest
|
9,149
|
304
|
C
|
High
|
| 653
|
Aquatic ecosystem
|
9,140
|
304
|
C
|
High
|
| 654
|
Australian feral camel
|
9,115
|
303
|
B
|
Low
|
| 655
|
Coal-fired power station
|
9,112
|
303
|
C
|
High
|
| 656
|
Earthshot Prize
|
9,109
|
303
|
GA
|
Low
|
| 657
|
Tidal power
|
9,064
|
302
|
B
|
Mid
|
| 658
|
Land
|
9,055
|
301
|
B
|
Low
|
| 659
|
Fridays for Future
|
9,049
|
301
|
C
|
Mid
|
| 660
|
How to Blow Up a Pipeline (film)
|
9,047
|
301
|
GA
|
Low
|
| 661
|
Comprehensive Nuclear-Test-Ban Treaty
|
9,018
|
300
|
Start
|
High
|
| 662
|
Eco-socialism
|
9,015
|
300
|
C
|
Mid
|
| 663
|
Toxin
|
8,984
|
299
|
Start
|
High
|
| 664
|
Environmental impact assessment
|
8,973
|
299
|
C
|
Top
|
| 665
|
Oil sands
|
8,968
|
298
|
C
|
Mid
|
| 666
|
Steam reforming
|
8,966
|
298
|
Start
|
Unknown
|
| 667
|
Phoebe Plummer
|
8,957
|
298
|
B
|
Low
|
| 668
|
Ship breaking
|
8,953
|
298
|
Stub
|
Unknown
|
| 669
|
Partial Nuclear Test Ban Treaty
|
8,951
|
298
|
B
|
High
|
| 670
|
Dakota Access Pipeline
|
8,948
|
298
|
B
|
Mid
|
| 671
|
Hyundai Nexo
|
8,923
|
297
|
Start
|
Unknown
|
| 672
|
World energy supply and consumption
|
8,910
|
297
|
C
|
Top
|
| 673
|
Water treatment
|
8,906
|
296
|
Start
|
Unknown
|
| 674
|
BYD Dolphin
|
8,899
|
296
|
C
|
Low
|
| 675
|
Hydrosphere
|
8,879
|
295
|
C
|
High
|
| 676
|
Organic food
|
8,871
|
295
|
C
|
Mid
|
| 677
|
Marine biology
|
8,866
|
295
|
C
|
High
|
| 678
|
Photovoltaic system
|
8,861
|
295
|
C
|
Mid
|
| 679
|
Biomass (energy)
|
8,834
|
294
|
C
|
Mid
|
| 680
|
Planet Earth III
|
8,763
|
292
|
Start
|
Low
|
| 681
|
Green hydrogen
|
8,760
|
292
|
C
|
Low
|
| 682
|
Vinyl chloride
|
8,746
|
291
|
B
|
Mid
|
| 683
|
Vegetation
|
8,740
|
291
|
C
|
Mid
|
| 684
|
Edward Abbey
|
8,733
|
291
|
B
|
Mid
|
| 685
|
Climatic Research Unit email controversy
|
8,731
|
291
|
B
|
Mid
|
| 686
|
Eustace Conway
|
8,730
|
291
|
Start
|
Unknown
|
| 687
|
Cesspit
|
8,700
|
290
|
C
|
Low
|
| 688
|
Nuclear fuel
|
8,690
|
289
|
B
|
High
|
| 689
|
California Republican Party
|
8,683
|
289
|
C
|
Unknown
|
| 690
|
Doughnut (economic model)
|
8,670
|
289
|
B
|
Low
|
| 691
|
Wicked problem
|
8,660
|
288
|
C
|
Mid
|
| 692
|
Anaerobic digestion
|
8,645
|
288
|
C
|
High
|
| 693
|
Ford C-Max
|
8,639
|
287
|
C
|
High
|
| 694
|
Toyota Camry (XV50)
|
8,636
|
287
|
C
|
Mid
|
| 695
|
2022 United Nations Climate Change Conference
|
8,626
|
287
|
Start
|
High
|
| 696
|
Heat recovery ventilation
|
8,623
|
287
|
C
|
Low
|
| 697
|
Honda Prologue
|
8,606
|
286
|
Stub
|
Low
|
| 698
|
Environment Protection Act, 1986
|
8,582
|
286
|
Start
|
Low
|
| 699
|
IARC group 1
|
8,554
|
285
|
List
|
High
|
| 700
|
On Deadly Ground
|
8,545
|
284
|
Start
|
Low
|
| 701
|
Jaguar I-Pace
|
8,501
|
283
|
C
|
Low
|
| 702
|
Treaty on the Prohibition of Nuclear Weapons
|
8,478
|
282
|
C
|
Mid
|
| 703
|
Whole Earth Catalog
|
8,476
|
282
|
B
|
Low
|
| 704
|
Green building
|
8,455
|
281
|
B
|
Unknown
|
| 705
|
Sick building syndrome
|
8,440
|
281
|
C
|
Mid
|
| 706
|
Introduced species
|
8,433
|
281
|
B
|
Mid
|
| 707
|
Saxitoxin
|
8,424
|
280
|
Start
|
Mid
|
| 708
|
Lincoln Aviator
|
8,411
|
280
|
Start
|
Low
|
| 709
|
Toyota Prius V
|
8,384
|
279
|
C
|
High
|
| 710
|
Tropical monsoon climate
|
8,355
|
278
|
Start
|
Low
|
| 711
|
Ford F-150 Lightning
|
8,354
|
278
|
Start
|
Mid
|
| 712
|
Sewage
|
8,348
|
278
|
C
|
Unknown
|
| 713
|
Audubon
|
8,334
|
277
|
C
|
Unknown
|
| 714
|
Tipping points in the climate system
|
8,316
|
277
|
GA
|
Top
|
| 715
|
Mitsubishi i-MiEV
|
8,311
|
277
|
C
|
Mid
|
| 716
|
Climate classification
|
8,303
|
276
|
Stub
|
Low
|
| 717
|
Climate of Antarctica
|
8,300
|
276
|
C
|
High
|
| 718
|
Toyota Aqua
|
8,300
|
276
|
Start
|
Low
|
| 719
|
United States Fish and Wildlife Service list of endangered mammals and birds
|
8,299
|
276
|
List
|
Mid
|
| 720
|
Nuclear arms race
|
8,268
|
275
|
B
|
High
|
| 721
|
Rizwana Hasan
|
8,263
|
275
|
Start
|
Low
|
| 722
|
Atmospheric circulation
|
8,236
|
274
|
Start
|
High
|
| 723
|
Congestion pricing
|
8,209
|
273
|
B
|
High
|
| 724
|
Nature reserve
|
8,206
|
273
|
C
|
Mid
|
| 725
|
BYD Blade battery
|
8,190
|
273
|
Start
|
Mid
|
| 726
|
Environmental impact of mining
|
8,183
|
272
|
C
|
Unknown
|
| 727
|
Soot
|
8,173
|
272
|
C
|
Mid
|
| 728
|
Plastic recycling
|
8,163
|
272
|
C
|
High
|
| 729
|
Harmful algal bloom
|
8,156
|
271
|
C
|
Mid
|
| 730
|
BMW iX
|
8,144
|
271
|
Start
|
Unknown
|
| 731
|
Biodiversity hotspot
|
8,123
|
270
|
Start
|
Mid
|
| 732
|
Seres Automobile
|
8,123
|
270
|
Start
|
Low
|
| 733
|
Biodiversity loss
|
8,109
|
270
|
C
|
Mid
|
| 734
|
Limelight
|
8,108
|
270
|
Start
|
Unknown
|
| 735
|
Effects of the Chernobyl disaster
|
8,102
|
270
|
C
|
High
|
| 736
|
Deep ecology
|
8,099
|
269
|
C
|
Low
|
| 737
|
Natural gas vehicle
|
8,084
|
269
|
C
|
High
|
| 738
|
Extraction of petroleum
|
8,083
|
269
|
Start
|
Mid
|
| 739
|
Habitat destruction
|
8,071
|
269
|
C
|
High
|
| 740
|
Volkswagen ID.3
|
8,040
|
268
|
Unknown
|
Unknown
|
| 741
|
Cycling
|
8,027
|
267
|
C
|
Unknown
|
| 742
|
Cadillac Celestiq
|
8,014
|
267
|
Start
|
Unknown
|
| 743
|
Charging station
|
7,985
|
266
|
B
|
High
|
| 744
|
MG4 EV
|
7,974
|
265
|
Start
|
Low
|
| 745
|
Restriction of Hazardous Substances Directive
|
7,962
|
265
|
C
|
Mid
|
| 746
|
Harold Hamm
|
7,930
|
264
|
C
|
Low
|
| 747
|
JBS S.A.
|
7,925
|
264
|
C
|
Low
|
| 748
|
Porsche Mission X
|
7,925
|
264
|
Stub
|
Unknown
|
| 749
|
Elinor Ostrom
|
7,922
|
264
|
B
|
Mid
|
| 750
|
Flow battery
|
7,918
|
263
|
B
|
Mid
|
| 751
|
Radioactive contamination
|
7,901
|
263
|
C
|
High
|
| 752
|
Solar cooker
|
7,879
|
262
|
B
|
Unknown
|
| 753
|
Bioplastic
|
7,879
|
262
|
Start
|
Mid
|
| 754
|
Food loss and waste
|
7,844
|
261
|
B
|
Mid
|
| 755
|
Ministry of Environment, Forest and Climate Change
|
7,828
|
260
|
Start
|
High
|
| 756
|
History of the petroleum industry
|
7,815
|
260
|
C
|
Low
|
| 757
|
Diablo Canyon Power Plant
|
7,775
|
259
|
Start
|
Mid
|
| 758
|
Destruction of the Kakhovka Dam
|
7,765
|
258
|
C
|
Mid
|
| 759
|
Carbon tax
|
7,757
|
258
|
C
|
High
|
| 760
|
Citroën Ami (electric vehicle)
|
7,728
|
257
|
Start
|
Unknown
|
| 761
|
Windcatcher
|
7,688
|
256
|
B
|
Low
|
| 762
|
Energy conservation
|
7,679
|
255
|
B
|
Low
|
| 763
|
Nuclear proliferation
|
7,665
|
255
|
C
|
High
|
| 764
|
100 of the World's Worst Invasive Alien Species
|
7,648
|
254
|
List
|
Low
|
| 765
|
United States Fish and Wildlife Service
|
7,633
|
254
|
C
|
Mid
|
| 766
|
Kate Humble
|
7,633
|
254
|
C
|
Low
|
| 767
|
List of largest hydroelectric power stations
|
7,604
|
253
|
C
|
Unknown
|
| 768
|
Nuclear disarmament
|
7,603
|
253
|
C
|
Top
|
| 769
|
World Environment Day
|
7,602
|
253
|
C
|
High
|
| 770
|
Hyundai Ioniq
|
7,593
|
253
|
C
|
Mid
|
| 771
|
Methyl tert-butyl ether
|
7,549
|
251
|
B
|
Mid
|
| 772
|
RDS-1
|
7,543
|
251
|
C
|
High
|
| 773
|
Endangered Species Act of 1973
|
7,533
|
251
|
C
|
High
|
| 774
|
Once Upon a Forest
|
7,520
|
250
|
C
|
Unknown
|
| 775
|
Carrying capacity
|
7,514
|
250
|
C
|
Mid
|
| 776
|
Cadillac Lyriq
|
7,485
|
249
|
Start
|
Mid
|
| 777
|
Gallium arsenide
|
7,435
|
247
|
C
|
Mid
|
| 778
|
Paul R. Ehrlich
|
7,433
|
247
|
B
|
Mid
|
| 779
|
Cigarette filter
|
7,417
|
247
|
Start
|
High
|
| 780
|
Mazda EZ-6
|
7,412
|
247
|
Stub
|
Low
|
| 781
|
Algal bloom
|
7,410
|
247
|
B
|
Low
|
| 782
|
Smoke
|
7,403
|
246
|
C
|
Mid
|
| 783
|
Corporate average fuel economy
|
7,398
|
246
|
C
|
High
|
| 784
|
Ocean acidification
|
7,395
|
246
|
B
|
Unknown
|
| 785
|
First strike (nuclear strategy)
|
7,390
|
246
|
B
|
Mid
|
| 786
|
Ice sheet
|
7,375
|
245
|
C
|
Mid
|
| 787
|
Flexible-fuel vehicle
|
7,372
|
245
|
C
|
High
|
| 788
|
Douglas Tompkins
|
7,360
|
245
|
C
|
Mid
|
| 789
|
Clean Water Act
|
7,348
|
244
|
B
|
High
|
| 790
|
Rolling coal
|
7,348
|
244
|
C
|
Low
|
| 791
|
Dead zone (ecology)
|
7,340
|
244
|
C
|
High
|
| 792
|
Environmental engineering
|
7,322
|
244
|
C
|
Top
|
| 793
|
Diethylstilbestrol
|
7,313
|
243
|
B
|
High
|
| 794
|
Offshore wind power
|
7,298
|
243
|
B
|
Mid
|
| 795
|
Kia EV6
|
7,275
|
242
|
Start
|
Low
|
| 796
|
Epping Forest
|
7,273
|
242
|
C
|
Mid
|
| 797
|
Tesla Megapack
|
7,268
|
242
|
Unknown
|
Unknown
|
| 798
|
1989 California medfly attack
|
7,265
|
242
|
C
|
Mid
|
| 799
|
Extreme weather
|
7,261
|
242
|
C
|
Mid
|
| 800
|
List of Superfund sites
|
7,241
|
241
|
List
|
Mid
|
| 801
|
Exxon Valdez
|
7,236
|
241
|
Start
|
High
|
| 802
|
Near-threatened species
|
7,224
|
240
|
Start
|
Mid
|
| 803
|
Patterns in nature
|
7,214
|
240
|
GA
|
Low
|
| 804
|
Afforestation
|
7,198
|
239
|
C
|
Mid
|
| 805
|
BYD Han
|
7,194
|
239
|
Start
|
Low
|
| 806
|
Madison Grant
|
7,190
|
239
|
C
|
Unknown
|
| 807
|
Dimethylmercury
|
7,169
|
238
|
C
|
Mid
|
| 808
|
Aldo Leopold
|
7,144
|
238
|
B
|
High
|
| 809
|
Exotic pet
|
7,143
|
238
|
Start
|
Low
|
| 810
|
2,4-Dichlorophenoxyacetic acid
|
7,128
|
237
|
C
|
Mid
|
| 811
|
Electric aircraft
|
7,110
|
237
|
C
|
Unknown
|
| 812
|
Zeekr 001
|
7,104
|
236
|
C
|
Low
|
| 813
|
Ecosystem service
|
7,074
|
235
|
Start
|
Unknown
|
| 814
|
NASA Clean Air Study
|
7,032
|
234
|
Start
|
Mid
|
| 815
|
Volkswagen Group MEB platform
|
7,014
|
233
|
Stub
|
Low
|
| 816
|
Fresh Kills Landfill
|
7,007
|
233
|
C
|
Unknown
|
| 817
|
Hydrogen economy
|
7,002
|
233
|
B
|
High
|
| 818
|
Ocean gyre
|
6,975
|
232
|
Start
|
Mid
|
| 819
|
Toyota Prius C
|
6,975
|
232
|
C
|
High
|
| 820
|
Lists of nuclear disasters and radioactive incidents
|
6,965
|
232
|
List
|
Mid
|
| 821
|
Bioethics
|
6,963
|
232
|
Start
|
Mid
|
| 822
|
Toyota Prius (XW30)
|
6,952
|
231
|
B
|
Unknown
|
| 823
|
RNA interference
|
6,951
|
231
|
FA
|
High
|
| 824
|
Biological pest control
|
6,919
|
230
|
GA
|
High
|
| 825
|
Halothane
|
6,917
|
230
|
C
|
Low
|
| 826
|
Renault Zoe
|
6,910
|
230
|
C
|
High
|
| 827
|
Planetary boundaries
|
6,904
|
230
|
B
|
High
|
| 828
|
Ecologist Green Party of Mexico
|
6,881
|
229
|
Start
|
Unknown
|
| 829
|
Biomagnification
|
6,846
|
228
|
Start
|
Mid
|
| 830
|
Thionyl chloride
|
6,846
|
228
|
B
|
Mid
|
| 831
|
MG5 (automobile)
|
6,838
|
227
|
Start
|
Low
|
| 832
|
E85
|
6,817
|
227
|
C
|
Unknown
|
| 833
|
Fipronil
|
6,810
|
227
|
Start
|
Mid
|
| 834
|
Methylmercury
|
6,756
|
225
|
B
|
High
|
| 835
|
Butadiene
|
6,755
|
225
|
B
|
High
|
| 836
|
Green economy
|
6,738
|
224
|
Start
|
Mid
|
| 837
|
Fuel cell vehicle
|
6,735
|
224
|
Start
|
Unknown
|
| 838
|
Alliance of Small Island States
|
6,734
|
224
|
Start
|
High
|
| 839
|
Acrylonitrile
|
6,704
|
223
|
Start
|
Mid
|
| 840
|
Crescent Dunes Solar Energy Project
|
6,702
|
223
|
Start
|
Low
|
| 841
|
Climate of Ireland
|
6,701
|
223
|
C
|
Low
|
| 842
|
Anaerobic respiration
|
6,690
|
223
|
Start
|
Unknown
|
| 843
|
Brownfield land
|
6,679
|
222
|
C
|
Unknown
|
| 844
|
Electric vehicle industry in China
|
6,674
|
222
|
Start
|
Mid
|
| 845
|
David Lange
|
6,669
|
222
|
B
|
Unknown
|
| 846
|
Hyundai Ioniq 6
|
6,630
|
221
|
Unknown
|
Unknown
|
| 847
|
Environmental impact of concrete
|
6,615
|
220
|
C
|
High
|
| 848
|
Earth Liberation Front
|
6,612
|
220
|
B
|
Mid
|
| 849
|
Gas flare
|
6,607
|
220
|
Start
|
Unknown
|
| 850
|
James Lovelock
|
6,604
|
220
|
B
|
Top
|
| 851
|
Customary law
|
6,598
|
219
|
Start
|
Mid
|
| 852
|
Aspark Owl
|
6,586
|
219
|
Start
|
Low
|
| 853
|
Global cooling
|
6,582
|
219
|
B
|
Low
|
| 854
|
Bioremediation
|
6,580
|
219
|
Start
|
Mid
|
| 855
|
The Nature Conservancy
|
6,567
|
218
|
B
|
Low
|
| 856
|
Intensive farming
|
6,513
|
217
|
C
|
High
|
| 857
|
Conservation movement
|
6,512
|
217
|
C
|
Low
|
| 858
|
Environmental issues in India
|
6,510
|
217
|
C
|
Unknown
|
| 859
|
British nuclear tests at Maralinga
|
6,509
|
216
|
FA
|
High
|
| 860
|
Charismatic megafauna
|
6,508
|
216
|
C
|
Unknown
|
| 861
|
Campaign for Nuclear Disarmament
|
6,506
|
216
|
B
|
Mid
|
| 862
|
Koch network
|
6,505
|
216
|
C
|
Mid
|
| 863
|
Lacey Act of 1900
|
6,494
|
216
|
Stub
|
Mid
|
| 864
|
Slurry
|
6,477
|
215
|
Unknown
|
Unknown
|
| 865
|
Space-based solar power
|
6,469
|
215
|
B
|
Unknown
|
| 866
|
Biodegradable plastic
|
6,458
|
215
|
C
|
Mid
|
| 867
|
Seveso disaster
|
6,448
|
214
|
Start
|
Mid
|
| 868
|
Overfishing
|
6,445
|
214
|
B
|
High
|
| 869
|
Marine pollution
|
6,435
|
214
|
B
|
Unknown
|
| 870
|
Causes of cancer
|
6,427
|
214
|
B
|
High
|
| 871
|
Chlorpyrifos
|
6,410
|
213
|
C
|
Mid
|
| 872
|
Freedom to roam
|
6,401
|
213
|
C
|
Mid
|
| 873
|
Insects as food
|
6,399
|
213
|
C
|
High
|
| 874
|
Masdar City
|
6,391
|
213
|
C
|
High
|
| 875
|
Volcanic winter
|
6,374
|
212
|
Start
|
Low
|
| 876
|
Paleocene–Eocene Thermal Maximum
|
6,368
|
212
|
B
|
Low
|
| 877
|
Chemical Weapons Convention
|
6,365
|
212
|
C
|
High
|
| 878
|
Atmospheric water generator
|
6,358
|
211
|
Start
|
Low
|
| 879
|
History of climate change science
|
6,348
|
211
|
C
|
Unknown
|
| 880
|
Water supply
|
6,329
|
210
|
C
|
High
|
| 881
|
List of highly toxic gases
|
6,324
|
210
|
List
|
High
|
| 882
|
Greywater
|
6,306
|
210
|
Start
|
Unknown
|
| 883
|
Coral bleaching
|
6,293
|
209
|
C
|
High
|
| 884
|
Carbon sink
|
6,292
|
209
|
C
|
High
|
| 885
|
Scrap
|
6,290
|
209
|
Start
|
Low
|
| 886
|
Toyota Prius (XW20)
|
6,284
|
209
|
B
|
Unknown
|
| 887
|
Effects of climate change on agriculture
|
6,271
|
209
|
C
|
High
|
| 888
|
San Onofre Nuclear Generating Station
|
6,260
|
208
|
C
|
Mid
|
| 889
|
Storm drain
|
6,243
|
208
|
C
|
Unknown
|
| 890
|
Rivian EDV
|
6,225
|
207
|
Start
|
Low
|
| 891
|
Climate variability and change
|
6,224
|
207
|
C
|
Top
|
| 892
|
Vestas
|
6,222
|
207
|
Start
|
High
|
| 893
|
Rivian R1S
|
6,221
|
207
|
Start
|
Low
|
| 894
|
Worldwide Harmonised Light Vehicles Test Procedure
|
6,220
|
207
|
C
|
Mid
|
| 895
|
Perchlorate
|
6,216
|
207
|
B
|
High
|
| 896
|
Hydrogen embrittlement
|
6,213
|
207
|
Start
|
Mid
|
| 897
|
North Sea oil
|
6,209
|
206
|
Start
|
Mid
|
| 898
|
Radiation protection
|
6,204
|
206
|
Start
|
Mid
|
| 899
|
European Green Party
|
6,203
|
206
|
B
|
Mid
|
| 900
|
Never Cry Wolf (film)
|
6,189
|
206
|
B
|
Low
|
| 901
|
North Atlantic garbage patch
|
6,189
|
206
|
C
|
Low
|
| 902
|
Embalming chemicals
|
6,184
|
206
|
Start
|
Low
|
| 903
|
Wind power in India
|
6,132
|
204
|
Start
|
Mid
|
| 904
|
Biophilic design
|
6,123
|
204
|
C
|
Low
|
| 905
|
Red List Index
|
6,122
|
204
|
Start
|
Low
|
| 906
|
Kia EV9
|
6,095
|
203
|
Stub
|
Unknown
|
| 907
|
Carbon emission trading
|
6,066
|
202
|
B
|
Low
|
| 908
|
Risk assessment
|
6,063
|
202
|
C
|
Mid
|
| 909
|
Fracking proppants
|
6,054
|
201
|
C
|
Mid
|
| 910
|
Department for Environment, Food and Rural Affairs
|
6,032
|
201
|
C
|
Mid
|
| 911
|
Methanol fuel
|
6,027
|
200
|
C
|
High
|
| 912
|
Christian Schmidt (politician)
|
6,014
|
200
|
C
|
Low
|
| 913
|
Volkswagen ID.7
|
6,014
|
200
|
B
|
Low
|
| 914
|
Geography of the United Arab Emirates
|
6,009
|
200
|
Start
|
Mid
|
| 915
|
Tonlé Sap
|
5,999
|
199
|
C
|
Mid
|
| 916
|
Audi e-tron
|
5,992
|
199
|
C
|
Mid
|
| 917
|
Criticism of Tesla, Inc.
|
5,986
|
199
|
C
|
Low
|
| 918
|
Kuznets curve
|
5,985
|
199
|
B
|
Mid
|
| 919
|
Plutonium-238
|
5,985
|
199
|
C
|
Mid
|
| 920
|
Environmental disaster
|
5,982
|
199
|
Start
|
Top
|
| 921
|
Patrick Dovigi
|
5,982
|
199
|
Start
|
Low
|
| 922
|
Energy Transfer Partners
|
5,980
|
199
|
Start
|
Low
|
| 923
|
Sustainable Development Goal 13
|
5,973
|
199
|
C
|
Mid
|
| 924
|
Our Planet
|
5,970
|
199
|
Start
|
Low
|
| 925
|
1,4-Dioxane
|
5,967
|
198
|
Start
|
Mid
|
| 926
|
2015 United Nations Climate Change Conference
|
5,961
|
198
|
B
|
Mid
|
| 927
|
The Population Bomb
|
5,950
|
198
|
B
|
Mid
|
| 928
|
Triple bottom line
|
5,937
|
197
|
C
|
High
|
| 929
|
List of environmental organizations
|
5,928
|
197
|
List
|
Top
|
| 930
|
Proton-exchange membrane fuel cell
|
5,927
|
197
|
B
|
Unknown
|
| 931
|
Neurotoxicity
|
5,925
|
197
|
Start
|
High
|
| 932
|
Solid oxide fuel cell
|
5,922
|
197
|
Start
|
Unknown
|
| 933
|
Renewable energy in India
|
5,921
|
197
|
B
|
High
|
| 934
|
Shot (pellet)
|
5,917
|
197
|
C
|
Low
|
| 935
|
Fishery
|
5,911
|
197
|
Start
|
Low
|
| 936
|
The TerraMar Project
|
5,911
|
197
|
Start
|
Low
|
| 937
|
Climate of Italy
|
5,894
|
196
|
C
|
Low
|
| 938
|
National parks of the United Kingdom
|
5,884
|
196
|
List
|
Low
|
| 939
|
Environmental justice
|
5,883
|
196
|
C
|
Low
|
| 940
|
Batagaika crater
|
5,881
|
196
|
Stub
|
Mid
|
| 941
|
Renovation
|
5,864
|
195
|
Start
|
High
|
| 942
|
Natural Resources Defense Council
|
5,841
|
194
|
Start
|
Unknown
|
| 943
|
Steven Guilbeault
|
5,838
|
194
|
C
|
Mid
|
| 944
|
Congolian rainforests
|
5,837
|
194
|
C
|
Mid
|
| 945
|
Coal combustion products
|
5,826
|
194
|
C
|
Low
|
| 946
|
Sustainable fashion
|
5,820
|
194
|
C
|
Mid
|
| 947
|
Bioterrorism
|
5,819
|
193
|
B
|
High
|
| 948
|
List of photovoltaic power stations
|
5,803
|
193
|
List
|
Unknown
|
| 949
|
Solar radiation modification
|
5,803
|
193
|
C
|
Low
|
| 950
|
Upcycling
|
5,802
|
193
|
C
|
Mid
|
| 951
|
List of oil spills
|
5,801
|
193
|
C
|
Unknown
|
| 952
|
Anti-nuclear movement
|
5,800
|
193
|
B
|
Mid
|
| 953
|
Climate of the Philippines
|
5,798
|
193
|
C
|
Mid
|
| 954
|
2-Butoxyethanol
|
5,793
|
193
|
C
|
Mid
|
| 955
|
Bjørn Lomborg
|
5,785
|
192
|
B
|
High
|
| 956
|
Runaway greenhouse effect
|
5,785
|
192
|
B
|
Low
|
| 957
|
Waterkeeper Alliance
|
5,770
|
192
|
Start
|
Unknown
|
| 958
|
Photovoltaic power station
|
5,770
|
192
|
C
|
High
|
| 959
|
Pea soup fog
|
5,761
|
192
|
C
|
Unknown
|
| 960
|
Development economics
|
5,728
|
190
|
Start
|
Mid
|
| 961
|
Lisa Harrow
|
5,718
|
190
|
C
|
Low
|
| 962
|
Sinclair C5
|
5,705
|
190
|
GA
|
Low
|
| 963
|
Surface runoff
|
5,704
|
190
|
C
|
Low
|
| 964
|
Resource depletion
|
5,702
|
190
|
C
|
High
|
| 965
|
History of ExxonMobil
|
5,702
|
190
|
B
|
Low
|
| 966
|
Composting toilet
|
5,700
|
190
|
C
|
Unknown
|
| 967
|
Commons
|
5,695
|
189
|
C
|
Top
|
| 968
|
2,3,7,8-Tetrachlorodibenzodioxin
|
5,681
|
189
|
GA
|
High
|
| 969
|
Coal-seam fire
|
5,677
|
189
|
C
|
Mid
|
| 970
|
Paris green
|
5,676
|
189
|
B
|
Mid
|
| 971
|
Mark Shand
|
5,675
|
189
|
Start
|
Low
|
| 972
|
Biofouling
|
5,668
|
188
|
B
|
Low
|
| 973
|
Environmental health
|
5,666
|
188
|
Start
|
Unknown
|
| 974
|
Agriculture in ants
|
5,644
|
188
|
Start
|
Unknown
|
| 975
|
8.2-kiloyear event
|
5,640
|
188
|
C
|
Low
|
| 976
|
Tailings
|
5,638
|
187
|
Start
|
Unknown
|
| 977
|
Climatology
|
5,617
|
187
|
C
|
Top
|
| 978
|
Political positions of Ted Cruz
|
5,608
|
186
|
C
|
Low
|
| 979
|
Brundtland Commission
|
5,607
|
186
|
Start
|
Unknown
|
| 980
|
Palo Verde Nuclear Generating Station
|
5,602
|
186
|
C
|
Mid
|
| 981
|
Deep sea mining
|
5,600
|
186
|
C
|
Unknown
|
| 982
|
Ora Good Cat
|
5,600
|
186
|
Start
|
Low
|
| 983
|
Land degradation
|
5,592
|
186
|
C
|
Mid
|
| 984
|
Rimac Concept One
|
5,582
|
186
|
Start
|
Unknown
|
| 985
|
Bloom Energy
|
5,560
|
185
|
C
|
Unknown
|
| 986
|
Arsenic trioxide
|
5,557
|
185
|
B
|
Mid
|
| 987
|
Neknampur Lake
|
5,556
|
185
|
Start
|
Low
|
| 988
|
Indian Point Energy Center
|
5,553
|
185
|
B
|
Mid
|
| 989
|
Climate of Spain
|
5,526
|
184
|
Start
|
Low
|
| 990
|
Kia EV3
|
5,512
|
183
|
Start
|
Low
|
| 991
|
Hydrogen train
|
5,503
|
183
|
Start
|
Low
|
| 992
|
Electric bus
|
5,496
|
183
|
B
|
High
|
| 993
|
Tree planting
|
5,492
|
183
|
C
|
Low
|
| 994
|
Great Green Wall (China)
|
5,489
|
182
|
C
|
Mid
|
| 995
|
Wilderness
|
5,485
|
182
|
B
|
Low
|
| 996
|
Volkswagen 1-litre car
|
5,484
|
182
|
C
|
High
|
| 997
|
Rydberg formula
|
5,483
|
182
|
Start
|
Unknown
|
| 998
|
Waste container
|
5,481
|
182
|
Start
|
High
|
| 999
|
Solar thermal energy
|
5,463
|
182
|
B
|
High
|
| 1000
|
List of largest giant sequoias
|
5,461
|
182
|
List
|
Mid
|
