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

Published: 11 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

Published: 11 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

Published: 07 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

Published: 19 Jul 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

Published: 04 Apr 2018

VERDICT

Breitbart repeats blogger’s unsupported claim that NOAA manipulates data to exaggerate warming

CLAIM
NOAA has adjusted past temperatures to look colder than they were and recent temperatures to look warmer than they were.

SOURCE: James Delingpole, Breitbart

Published: 23 Feb 2018

VERDICT

EPA’s Scott Pruitt incorrectly suggests climate change might not be “a bad thing”

CLAIM
We know that humans have most flourished during times of, what, warming trends. I think there are assumptions made that because the climate is warming, that that is necessarily a bad thing.

SOURCE: Scott Pruitt, KSNV NBC Las Vegas

Published: 09 Feb 2018

VERDICT

President Trump’s claim of growing ice does not reflect reality

CLAIM
The ice caps were going to melt. They were going to be gone by now, but now they're setting records

SOURCE: Donald Trump, ITV

Published: 29 Jan 2018

VERDICT

Prof. John Christy incorrectly claims to show climate models are too sensitive to carbon dioxide

CLAIM
the real atmosphere is less sensitive to CO2 than what has been forecast by climate models

SOURCE: John Christy, The Daily Caller

Published: 01 Dec 2017

VERDICT

Former Prime Minister Tony Abbott wrongly claims Australia has warmed far less than data show

CLAIM
unadjusted data suggests that temperatures in Australia have only increased by 0.3 degrees over the past century, not the 1 degree usually claimed

SOURCE: Tony Abbott, Global Warming Policy Foundation

Published: 11 Oct 2017

VERDICT