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What Is a Climate Model and How Does It Work?

Union of Concerned Scientists

Climate models are the main tool climate scientists use to predict how Earth will respond to more heat-trapping pollutants in the atmosphere. But what exactly is a climate model? Lets start off easy by breaking down the phrase climate model.” What causes a circulation? temperature, rainfall, etc.)

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Three Takeaways from Twisters: Hillbillies, Science, and Solutions

Union of Concerned Scientists

Scientists at the National Oceanic and Atmospheric Administration (NOAA) are responsible for weather forecasts and severe storm warnings, information we likely take for granted. Climate scientist Katharine Hayhoe asserts that talking about climate change is the most important thing we can do.

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Analysis: What is carbon-neutral milk?

A Greener Life

Products that bear the label “carbon neutral” are supposed to be produced with no added emissions to the atmosphere. The National Forests Foundation advertises that for every $2 donation, they’ll plant two trees that will remove or offset 1 metric ton of CO2e from the atmosphere for the life of those trees. But can you trust it?

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Southern Europe’s scorched future: is Spain—and its neighbours—ready for perpetual heatwaves?

A Greener Life

Spain breaks all-time temperature records in unprecedented July heatwave Spain heat: 2023 vs 2025 In July 2023 , temperatures in Spain exceeded 40C, andfor the first timeland surface temperatures soared beyond 60C. That heatwave set a new benchmark for European extremes and offered a grim preview of the climate future.

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The Endangerment Finding Is in Danger. Will EPA’s Zeldin Uphold Climate Science?

Union of Concerned Scientists

Opponents of climate action have long understood the power of the Endangerment Finding and tried unsuccessfully to dismantle it during the first Trump administration. Project 2025 also includes a call to Establish a system, with an appropriate deadline, to update the 2009 endangerment finding. This directive shouldnt fool anyone.

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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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The Endangerment Finding Is in Danger. Will EPA’s Zeldin Uphold Climate Science?

Union of Concerned Scientists

Opponents of climate action have long understood the power of the Endangerment Finding and tried unsuccessfully to dismantle it during the first Trump administration. Project 2025 also includes a call to Establish a system, with an appropriate deadline, to update the 2009 endangerment finding. This directive shouldnt fool anyone.