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Reviews of articles by: William Happer
CLAIM REVIEWS
PragerU post by Happer uses flawed reasoning to claim that climate models always fail
CLAIM
"climate models that attempt to predict the future temperature of the planet...don’t work. They haven’t worked in the past. They don’t work now."; "the number of factors that influence climate—the sun, the earth’s orbital properties, oceans, clouds, and, yes, industrial man—is huge and enormously variable"; "CO2 is a minor contributor to the warming of the earth"
SOURCE: William Happer, PragerU
Published: 27 Jan 2021
VERDICT

CO2 caused warming during past climate changes, notably as a feedback amplifying other factors
CLAIM
CO2 does not cause climate change, it RESPONDS to it [...] temperature always changes first, and CO2 follows
SOURCE: Robert W. Felix, William Happer, Ice Age Now
Published: 14 Aug 2019
VERDICT

In CNN interview, William Happer incorrectly claims temperatures don’t match climate model projections
CLAIM
The temperature is not rising nearly as fast as the alarmist computer models predicted. You know, it’s much, much less, factors of 2 or 3 less.
SOURCE: William Happer, CNN
Published: 25 Apr 2017
VERDICT

In CNN interview, William Happer misleads about the impact of rising carbon dioxide on plant life
CLAIM
there's this myth that's developed around carbon dioxide that it's a pollutant […] Carbon dioxide is a perfectly natural gas, it’s just like water vapor, it’s something that plants love.
SOURCE: William Happer, CNN
Published: 25 Apr 2017
VERDICT
