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New, Updated Carbon Majors Dataset Holds Promise for Researchers, Litigators

Union of Concerned Scientists

That 2013 headline resulted from the first effort to quantify emissions from the ‘carbon majors’ —fossil fuel companies and cement manufacturers whose businesses have contributed an outsized amount of heat-trapping gases to the atmosphere. Nearly two-thirds of industrial heat-trapping emissions can be traced to just 90 entities.

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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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Deciphering the ‘SPM AR6 WG1’ code

Real Climate

I followed with great interest the launch of the sixth assessment report Working Group 1 (The Physical Science Basis) from the Intergovernmental Panel on Climate Change (IPCC) on August 9th. The problems with the SPM are similar those from the previous fifth assessment report which prompted me to write a post in 2013.

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Why is future sea level rise still so uncertain?

Real Climate

Three new papers in the last couple of weeks have each made separate claims about whether sea level rise from the loss of ice in West Antarctica is more or less than you might have thought last month and with more or less certainty.

Sea Level 249
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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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Melting glaciers have been shifting the Earth’s poles since 1995, new study suggests

Physics World

The rotation of the Earth has been affected over the past 25 years by the rapid melting of glaciers caused by climate change, according to a study done by scientists in China and Denmark. This caused tiny changes in the separation of the satellites, which were measured. Amazing GRACE.

Sea Level 112
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ESA & COP26: Day 3 and 4: Island Nations are Angry and Science Update

ESA

Day 3 was “Finance Day”: how does the world pay for the necessary changes both to reduce emissions (“mitigation”) and to adapt to climate change (“adaptation”). The chief topic across dozens and dozens of venues was how do less developed countries afford transitions and climate shocks. by Andrew Barton.