Ken Caldeira

Senior Scientist, Carnegie Institution for Science

Expertise: Climate modeling, Ocean acidification, Long-term Geochemical cycles

Details:

   Website

 hypothesis  Orcid ID

hypothesis   Hypothesis handle: KenCaldeira

Qualifying publication(s): see criteria

publication   http://onlinelibrary.wiley.com/doi/10.1002/2015GL0

publication   http://journals.ametsoc.org/doi/abs/10.1175/JCLI-D

ARTICLES REVIEWED

Analysis of “Ocean acidification: yet another wobbly pillar of climate alarmism”

in The Spectator, by James Delingpole

— 10 Jan 2017

The scientists who have analyzed the article show that it contains significant inaccuracies, notably for its core assumptions, and misrepresents scientific studies and scientists i...

Analysis of “James Lovelock: ‘Before the end of this century, robots will have taken over’”

in The Guardian, by Decca Aitkenhead & James Lovelock

— 07 Oct 2016

"Extraordinary claims demand extraordinary evidence, and Lovelock has not even come up to the standards of providing what the scientific community would consider to be ordinary evi..

Analysis of “Flooding of Coast, Caused by Global Warming, Has Already Begun”

in The New York Times, by Justin Gillis

— 07 Sep 2016

"The theory of sea-level rise and flood problems is pretty well understood — this makes the point that this theory is also happening now and can only be expected to get worse —..

Analysis of “What science can tell us about the links between global warming and massive heat waves”

in The Washington Post, by Chris Mooney

— 26 Jul 2016

"This is a well-written article that provides a good overall discussion around the connection between climate change and the ongoing US heat wave. In the absence of a specific even..

Analysis of “Scientists warn of ‘global climate emergency’ over shifting jet stream”

in The Independent, by Gabriel Samuels

— 06 Jul 2016

"This article makes little sense. It uses scientific jargon, such as in the last paragraph, to make it sound "scientific", but uses it so loosely that it has no meaning. I do not s..

Analysis of “Thanks to climate change, the Arctic is turning green”

in The Washington Post, by Chris Mooney

— 04 Jul 2016

"The article reports about recent evidence that terrestrial ecosystems are 'greening' in response to human activities, principally the increasing atmospheric CO2 concentration. The..

Analysis of “Great Barrier Reef may perish by 2030s…”

in Mashable, by Andrew Freedman

— 02 May 2016

This Mashable article reports on new preliminary research that finds the ongoing coral bleaching event in the Pacific is mainly due to human-caused global warming, and that if glob...

Analysis of “What we’re doing to the Earth has no parallel in 66 million years, scientists say”

in The Washington Post, by Chris Mooney

— 23 Mar 2016

"It sadly implies that even the PETM, a massive warm climatic excursion, might not be harsh enough to represent an analogue for future climate change, as the Washington Post rightf..

Analysis of “Scientists are exaggerating carbon threat to marine life”

in The Times / The Australian, by Ben Webster

— 04 Mar 2016

"This article misses some major intellectual points about ocean acidification, thanks to what seems to be a willful misunderstanding and misquoting of an interview with Dr. Browman..

Analysis of “Scientists say human greenhouse gas emissions have canceled the next ice age”

in The Washington Post, by Chris Mooney

— 18 Jan 2016

"The article presents an accurate account of recently published research which suggests that human-induced global warming will delay the onset of the next ice age by 50,000 years. ..

CLAIMS REVIEWED

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: Lord Nigel Lawson, BBC, 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: Lord Nigel Lawson, BBC, 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, 2 July 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

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

Sea level could rise by as much as 1 or 2 meters (3.3-6.6 feet) by the year 2100

CLAIM
"Sea level rise could reach six or seven feet by the year 2100."

SOURCE: Justin Gillis, The New York Times, 3 Sept. 2016

VERDICT