All the solemnity that attaches to Earth Day, with scolds like Greta Thunberg and politicians attending "virtual" summits, ought to be drowned out by peals of laughter.  The real slogan of the global warming crowd ought to be. "Fool me once, shame on me.  Fool me fifty times, shame on you."

Yes, fooled by phony proclamations of doom fifty times.  At a minimum.

Mark Perry of AEI draws on the work of others, and adds his own to come up with a list of 50 failed doomsday predictions.  With hat tips to "Wrong Again: 50 Years of Failed Eco-pocalyptic Predictions," RealClimateScience, "Climate 'Experts' are 0-41 with Their Doomsday Predictions," and Perry's own work, here are the fifty phonies:

Salt Lake Tribune via CEI.

1. 1967: Dire Famine Forecast By 1975
2. 1969: Everyone Will Disappear In a Cloud Of Blue Steam By 1989 (1969)
3. 1970: Ice Age By 2000
4. 1970: America Subject to Water Rationing By 1974 and Food Rationing By 1980
5. 1971: New Ice Age Coming By 2020 or 2030
6. 1972: New Ice Age By 2070
7. 1974: Space Satellites Show New Ice Age Coming Fast
8. 1974: Another Ice Age?
9. 1974: Ozone Depletion a ‘Great Peril to Life (data and graph)
10. 1976: Scientific Consensus Planet Cooling, Famines imminent
11. 1980: Acid Rain Kills Life In Lakes (additional link)
12. 1978: No End in Sight to 30-Year Cooling Trend (additional link)
13. 1988: Regional Droughts (that never happened) in 1990s
14. 1988: Temperatures in DC Will Hit Record Highs
15. 1988: Maldive Islands will Be Underwater by 2018 (they’re not)
16. 1989: Rising Sea Levels will Obliterate Nations if Nothing Done by 2000
17. 1989: New York City’s West Side Highway Underwater by 2019 (it’s not)
18. 2000: Children Won’t Know what Snow Is
19. 2002: Famine In 10 Years If We Don’t Give Up Eating Fish, Meat, and Dairy
20. 2004: Britain will Be Siberia by 2024
21. 2008: Arctic will Be Ice Free by 2018
22. 2008: Climate Genius Al Gore Predicts Ice-Free Arctic by 2013
23. 2009: Climate Genius Prince Charles Says we Have 96 Months to Save World
24. 2009: UK Prime Minister Says 50 Days to ‘Save The Planet From Catastrophe’
25. 2009: Climate Genius Al Gore Moves 2013 Prediction of Ice-Free Arctic to 2014
26. 2013: Arctic Ice-Free by 2015 (additional link)
27. 2014: Only 500 Days Before ‘Climate Chaos’
28. 1968: Overpopulation Will Spread Worldwide
29. 1970: World Will Use Up All its Natural Resources
30. 1966: Oil Gone in Ten Years
31. 1972: Oil Depleted in 20 Years
32. 1977: Department of Energy Says Oil will Peak in 1990s
33. 1980: Peak Oil In 2000
34. 1996: Peak Oil in 2020
35. 2002: Peak Oil in 2010
36. 2006: Super Hurricanes!
37. 2005 : Manhattan Underwater by 2015
38. 1970: Urban Citizens Will Require Gas Masks by 1985
39. 1970: Nitrogen buildup Will Make All Land Unusable
40. 1970: Decaying Pollution Will Kill all the Fish
41. 1970s: Killer Bees!
42. 1975: The Cooling World and a Drastic Decline in Food Production
43. 1969: Worldwide Plague, Overwhelming Pollution, Ecological Catastrophe, Virtual Collapse of UK by End of 20th Century
44. 1972: Pending Depletion and Shortages of Gold, Tin, Oil, Natural Gas, Copper, Aluminum
45. 1970: Oceans Dead in a Decade, US Water Rationing by 1974, Food Rationing by 1980
46. 1988: World’s Leading Climate Expert Predicts Lower Manhattan Underwater by 2018
47. 2005: Fifty Million Climate Refugees by the Year 2020
48. 2000: Snowfalls Are Now a Thing of the Past
49.1989: UN Warns That Entire Nations Wiped Off the Face of the Earth by 2000 From Global Warming
50. 2011: Washington Post Predicted Cherry Blossoms Blooming in Winter

Yet we have major car companies betting heavily on electric cars (that take 18 days to drive coast to coast due to the need to recharge), and that would far outstrip the ability to generate electricity if the nation's fleet were converted — as several states want to mandate — all based on a predicted disaster that keeps failing to happen.