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Why Climate Scientists Are Sounding the Alarm on the Ocean Circulation System AMOC

Union of Concerned Scientists

Last month, 44 climate scientists from 15 countries wrote an open letter to the Nordic Council of Ministers highlighting the risk of a potential collapse of the Atlantic Meridional Overturning Circulation (AMOC), a critical ocean current system in the Atlantic Ocean. What are climate scientists demanding?

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​​The Science Behind Sea Level Rise: How Past Emissions Will Shape Our Future

Union of Concerned Scientists

Understanding sea level rise as a long-term, multi-generational problem is essential to comprehending the scale of climate change and the need for bold action now. While this knowledge may be sobering, it underscores the importance of reducing emissions, holding major polluters accountable, and adapting to a changing world.

Sea Level 291
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Why Were 2023 and 2024 So Hot?

Union of Concerned Scientists

Scientists are sounding the alarm because this warming is shockingly bigbigger than what we would have expected given the long-term warming trend from fossil fuel-caused climate change. Important questions are still being sorted out Climate scientists are still trying to figure out what exactly made 2023 and 2024 so warm.

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Twenty years of blogging in hindsight

Real Climate

It’s 20 years since we started blogging on climate here on RealClimate (December 10, 2004). We wanted to counter disinformation about climate change that was spreading through various campaigns. The Keeling curve, highlighted with the release of important climate reports and climate summits.

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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 Special Report on Climate Change and Cities Delegates dissected the proposed outline for the Climate Change and Cities report over several days. Ultimately, and to our great relief, science prevailed.

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A Montana Victory for the Youth Climate Movement

Legal Planet

A state court judge in the ‘Last Best Place’ just gave the youth climate movement a shot in the arm with the first decision of its kind that directly connects specific state actions to global climate change and then to injuries suffered by young people. courts have not yet engaged in this kind of fact-finding on climate change.

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The IRA Made Huge Climate Investments in Rural Areas. Now, the Food and Farm Bill Must Maintain Them.

Union of Concerned Scientists

The Inflation Reduction Act is directing $20B toward climate-resilient agriculture Reducing heat-trapping carbon dioxide (CO 2 ) emissions through policies that drive renewable energy and clean transportation has well known benefits. This is good for all of us, of course.