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Deciphering the ‘SPM AR6 WG1’ code

Real Climate

The problems with the SPM are similar those from the previous fifth assessment report which prompted me to write a post in 2013. I think in hindsight that my concerns from 2013 to some extent were supported by the fact that the IPCC organised an Expert Meeting on Communication, Oslo, Norway, 9–10 February 2016.

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A distraction due to errors, misunderstanding and misguided Norwegian statistics

Real Climate

are used all over the world, based on calculations that quantify the effects of physical mechanisms and the way different parts of the atmosphere are connected to each other. The physics-based models describe how energy flows through the atmosphere and ocean, as well as how the forces from different air masses push against each other.

Sea Level 293
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The unconventional scientist who predicted that rising carbon dioxide levels would change the climate

Physics World

The correlation had been shown in a paper by an author outside the conventional scientific community, so, for good measure, Simpson added that a non-expert could not properly appreciate how atmospheric circulation affects the absorption of radiation. One was Eunice Foote , a 19th-century American scientist. 139 1961 ).

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ExxonMobil Accurately Projected Rising Temperatures While Publicly Disparaging Climate Science

Union of Concerned Scientists

Regardless, the company publicly cast doubt on the reality of global warming, attempted to discredit climate scientists and climate models, and tried to block climate action. The new paper in Science summarizes key statements by ExxonMobil executives between 2000 and 2013 that cast doubt on the science.

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Getting physical with the climate crisis

Physics World

An area of high pressure above the Pacific Ocean was driven eastwards through the jet stream by a “Rossby wave” – a planetary-scale fluctuation arising from the Coriolis force. The Rossby wave eventually “broke”, dumping its energy – like an ocean wave hitting the shore – to create an area of high pressure locked over western Canada and US.

Cooling 133
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AR6 of the best

Real Climate

As climate scientists we tend to look at the IPCC reports a little differently than the general public might. Here are a few things that mark this report out from previous versions that relate to issues we’ve discussed here before: Extreme events are increasingly connected to climate (duh!) Figure SPM 8. Johnson, A.

Sea Level 341
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October 2019 Updates to the Climate Case Charts

Law Columbia

Court Dismissed Counterclaims in Climate Scientist’s Defamation Lawsuit. Superior Court dismissed counterclaims brought by an individual writer against the climate scientist Michael Mann in Mann’s defamation lawsuit against National Review, the Competitive Enterprise Institute, and two individuals. Chao , No. filed Sept.

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