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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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Trump’s Pick for Energy Secretary, Chris Wright, is Wrong on Purpose. Here are the Facts. 

Union of Concerned Scientists

In videos and Congressional testimony , Wright portrays himself as a truth teller, while falsely claiming that climate scientists and renewable energy advocates are deceptive. In the last sixty years, the amount of carbon dioxide in the atmosphere has grown 100 times faster than it did at the close of the last ice age.

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Trump Administration Attempts Burying Climate Change Evidence to Further Fossil Fuel Agenda

Union of Concerned Scientists

In economist-speak, this is just a commonsense way to correct a market failure and internalize the climate-driven externality costs of using fossil fuels. Well, the latest estimates of the social cost of greenhouse gases from the EPA before the Trump administrations attempts to gut themare summarized in the table below. How costly?

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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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