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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 cause of our changing climate is the increase in atmospheric greenhouse gas concentrations that we have released into the air.

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CMIP6: Not-so-sudden stratospheric cooling

Real Climate

A new paper by Ben Santer and colleagues has appeared in PNAS where they extend their previous work on the detection and attribution of anthropogenic climate change to include the upper stratosphere, using observations from the Stratospheric Sounding Units (SSUs) (and their successors, the AMSU instruments) that have flown since 1979.

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Congress Considers First-Ever Purchase Incentive for Commercial EVs

Union of Concerned Scientists

Last week, Senators Schumer and Manchin announced a compromise on a reconciliation bill, called the Inflation Reduction Act of 2022 , that includes significant climate and air quality progress and a goal to reduce greenhouse gas emissions nationwide by 40 percent by 2030. A key step towards addressing climate change and air quality.

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Progress Possible at COP 28 Despite Fossil Fuel Industry Deception

Union of Concerned Scientists

Global net anthropogenic greenhouse gas emissions 1990–2019. Global net anthropogenic greenhouse gas emissions include carbon dioxide from fossil fuel combustion and industrial processes, net carbon dioxide from land use, land use change and forestry, methane, nitrous oxide, and fluorinated gases. billion on advertising.

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Air Pollution & Climate Change: Global Phenomena, Individual Consequences

Breezometer

As COP26 gets underway this week in Glasgow, Scotland and the World Meteorological Association warns that the past seven years are set to be the warmest on record, we thought this the right time to explore the associated impacts of climate change on the air we breathe. As average temperatures rise, ozone levels accelerate.

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Glossary of Greenhouse Gas Terms

Greenbuilding Law

With proposed federal regulation of greenhouse gas emissions by the Securities and Exchange Commission requiring GHG disclosure and new state statutes, including a new Maryland law that requires not only disclosure, but also a mandated reduction in GHG emissions, a greater appreciation of the subject of GHG appears in order. See, Weather.

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Operationalizing Climate Science

Real Climate

Both of these issues stem from the realization that climate change is no longer purely a long-term issue for which an assessment updated every decade is sufficient. The End of History A big part of the effort to both understand past climate and project future climate is supported by the CMIP program. Gettelman, and A.

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