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Twenty years of blogging in hindsight

Real Climate

It shows the atmospheric concentrations of carbon dioxide (CO 2 ) and tells a story about the carbon cycle, involving Earth’s crust, the atmosphere, land surface, the biosphere, and the oceans. The Keeling curve, highlighted with the release of important climate reports and climate summits.

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Returning Grazing Land to Native Forests Would Yield Big Climate Benefits

Inside Climate News

Removing cattle from carbon-rich soils in the eastern U.S. and western Europe while intensifying production elsewhere could drastically cut greenhouse gas emissions, with little hit to global protein production, a new study shows.

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Deciphering the ‘SPM AR6 WG1’ code

Real Climate

There is no doubt that we have changed Earth’s climate through our activities on a broad range of aspects that includes consequences for the atmosphere, the oceans, snow, ice, Earth’s fauna and ecosystems. 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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Inside the IPCC 61st Plenary Meeting: Debates and Decisions Shaping Climate Policy

Union of Concerned Scientists

This post was co-authored by UCS Principal Climate Scientist Kristina Dahl. Outline of a Methodology Report on Short-Lived Climate Forcers Since 2006, the IPCC has provided methodologies that governments around the world use to estimate their greenhouse gas emissions.

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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!) 1, SPM, AR5. Johnson, A.

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A Montana Victory for the Youth Climate Movement

Legal Planet

They called expert witnesses to calculate the total greenhouse gas emissions caused by activity in Montana, a major gas and coal producing state, and connected that to tangible impacts on ecosystems and humans in the state. But New York, Pennsylvania and Hawaii do, so these courtroom lessons are applicable for future trials there. “The

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A Summer Job, Record Heat, Climate Hope

Legal Planet

This summer was the hottest on record and the season was rife with dire signs that the atmosphere’s dangerous levels of carbon dioxide are wreaking havoc on the environment and communities. The state contended that their actions are not responsible for global climate change. Seeing them come to life in court was powerful.