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, 22 April 2017

VERDICT

Boston Globe column claims that climate models have consistently failed based on no evidence

CLAIM
"Climate projections using models based on it [the water vapor feedback] have consistently failed"

SOURCE: Jeff Jacoby, Boston Globe, 14 March 2017

VERDICT

Claim in New Scientist that humans are responsible for over 100% of warming is mostly correct

CLAIM
"more than 100 per cent of the warming over the past century is due to human actions"

SOURCE: Michael Le Page, New Scientist, 8 March 2017

VERDICT

Science shows that humans are primarily responsible for climate change, counter to EPA Administrator Scott Pruitt’s claim

CLAIM
"I would not agree that [carbon dioxide is] a primary contributor to the global warming that we see."

SOURCE: EPA Administrator Scott Pruitt, CNBC, 9 March 2017

VERDICT

The world’s coral reefs are severely threatened by climate change and other human impacts, as ABC story notes

CLAIM
"90 per cent of the world's coral reefs will disappear in the next 35 years due to coral bleaching induced by global warming, pollution and over-development."

SOURCE: Greg Hassall & Rebecca Latham, ABC News, 23 Feb. 2017

VERDICT

Daily Mail inflates data handling disagreement between scientists; makes unsupported “manipulation” accusation

CLAIM
"world leaders were duped into investing billions over manipulated global warming data"

SOURCE: David Rose, Daily Mail, 4 Feb. 2017

VERDICT

The Wall Street Journal fails to acknowledge that 2016 was the warmest year on record

CLAIM
"no one really knows if last year (2016) was a (global temperature) record"

SOURCE: Wall Street Journal editorial, The Wall Street Journal, 19 Jan. 2017

VERDICT

Global surface temperatures are increasing according to climate projections, contrary to Wall Street Journal claim

CLAIM
"the warming is not nearly as great as the climate change computer models have predicted."

SOURCE: Wall Street Journal editorial, The Wall Street Journal, 19 Jan. 2017

VERDICT

Ocean acidification is expected to harm marine ecosystems overall, cherry-picking can lead to the opposite conclusion

CLAIM
"Marine life has nothing whatsoever to fear from ocean acidification."

SOURCE: Mike Wallace & James Delingpole, The Spectator, 30 Apr. 2016

VERDICT

Oceans are currently acidifying, claims to the contrary contradict observations

CLAIM
"there has been no reduction in oceanic pH levels in the last century"

SOURCE: Mike Wallace & James Delingpole, The Spectator, 30 Apr. 2016

VERDICT