Caleb Rossiter falsely claims that climate models are “running very hot”

CLAIM
"The models predicted about three times the amount of warming in the world we’ve seen since [1988]."

SOURCE: Caleb Rossiter, The Hill, 6 March 2019

VERDICT

Senator Sanders’ claim that climate change is making tornadoes worse isn’t supported by published research

CLAIM
"The science is clear, climate change is making extreme weather events, including tornadoes, worse."

SOURCE: Senator Bernie Sanders, Facebook, 4 March 2019

VERDICT

Claim that cows have more impact on climate than cars depends on the timescale

CLAIM
"Burping cows are more damaging to the climate than all the cars on this planet."

SOURCE: Barclay's, Financial Times, 19 Feb. 2019

VERDICT

Metro’s claims of coming “mini ice age” have no basis in reality

CLAIM
"[S]unspot activity on the surface of our star has dropped to a new low. It’s feared this could herald the arrival of a uniquely grim ‘mini Ice Age’."

SOURCE: Jasper Hamill, Metro, 16 Nov. 2018

VERDICT

On BBC Newsnight, Myron Ebell falsely claims climate models exaggerate warming

CLAIM
"The rate of warming according to the data is much slower than the models used by the IPCC"

SOURCE: Myron Ebell, BBC Newsnight, 8 Oct. 2018

VERDICT

Ian Plimer wrongly claims that carbon dioxide emissions do not cause climate change

CLAIM
"there is no relationship between temperature and carbon dioxide emissions by ­humans[...] carbon dioxide has had a minuscule effect on global climate"

SOURCE: Ian Plimer, The Australian, 7 Aug. 2018

VERDICT

Ian Plimer incorrectly claims human-caused emissions are short-lived

CLAIM
"The ­atmospheric residency time of carbon dioxide is five years and it is quickly sequestered into plants, marine life, oceans and sediments."

SOURCE: Ian Plimer, The Australian, 7 Aug. 2018

VERDICT

President Trump’s claim that water supply policy has worsened California wildfires is baseless

CLAIM
"California wildfires are being magnified & made so much worse by the bad environmental laws which aren’t allowing massive amounts of readily available water to be properly utilized. It is being diverted into the Pacific Ocean."

SOURCE: President Donald Trump, Twitter, 5 Aug. 2018

VERDICT

Fred Singer incorrectly claims sea level rise is not caused by climate change

CLAIM
"Sea-level rise does not seem to depend on ocean temperature, and certainly not on CO2"

SOURCE: Fred Singer, The Wall Street Journal, 15 May 2018

VERDICT

Rush Limbaugh falsely claims there is no evidence of human-caused global warming

CLAIM
"There isn’t yet any empirical evidence for their claim that greenhouse gases even cause temperatures to increase."

SOURCE: Rush Limbaugh, The Rush Limbaugh Show, 2 April 2018

VERDICT