Claim reviews
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
Daily Wire article incorrectly claims climate models have overestimated warming
CLAIM
climate models have overestimated the amount of global warming and failed to predict what climatologists call the warming ‘hiatus’
SOURCE: James Barrett, The Daily Wire
Published: 22 Sep 2017
VERDICT
Incorrect claim that global warming is mostly natural was based on a study that can’t support that conclusion
CLAIM
Most of the recent warming could be natural
SOURCE: Jennifer Marohasy, The Spectator
Published: 07 Sep 2017
VERDICT
Climate change likely helped increase Hurricane Harvey’s rainfall, but too early to say exactly by how much
CLAIM
[climate scientists] say that aspects of the case of Hurricane Harvey suggest global warming is making a bad situation worse.
SOURCE: Robinson Meyer, The Atlantic
Published: 29 Aug 2017
VERDICT
Some extreme weather events are clearly becoming more common, in contrast to Lord Lawson’s claim
CLAIM
The IPCC, the Intergovernmental Panel on Climate Change, which is sort of the voice of the consensus, concedes that there has been no increase in extreme weather events.
SOURCE: Nigel Lawson, BBC
Published: 10 Aug 2017
VERDICT
Lord Lawson falsely claims that global temperatures have declined over last decade
CLAIM
according, again, to the official figures—during this past 10 years, if anything, mean global temperature, average world temperature, has slightly declined
SOURCE: Nigel Lawson, BBC
Published: 10 Aug 2017
VERDICT
Earth is not at risk of becoming a hothouse like Venus, as Stephen Hawking claimed
CLAIM
Trump's action could push the Earth over the brink, to become like Venus, with a temperature of two hundred and fifty degrees, and raining sulphuric acid.
SOURCE: Stephen Hawking, BBC
Published: 06 Jul 2017
VERDICT
Energy Secretary Rick Perry incorrectly claims CO2 is not primary cause of climate change
CLAIM
Most likely the primary control knob [on climate change] is the ocean waters and this environment that we live in.
SOURCE: Rick Perry, CNBC
Published: 20 Jun 2017
VERDICT
Breitbart falsely claims 58 studies refute human-caused global warming
CLAIM
'Global warming' is a myth — so say 80 graphs from 58 peer-reviewed scientific papers published in 2017.
SOURCE: James Delingpole, Breitbart
Published: 08 Jun 2017
VERDICT