What’s the National Climate Assessment? The National Climate Assessment (NCA) is an authoritative assessment of all aspects of climate science, with a focus on the United States. A new NCA, mandated ...

Researchers who have downplayed the threat of global warming have been asked to author the next National Climate Assessment.

The vital climate science information offered guidance to communities on the climate risks they face, as well as how to plan for and safeguard residents from climate-related disasters like floods and ...

Legally mandated national climate assessments disappeared this week from the federal websites built to display them, making it harder for state and local governments and the public to learn what to ...

WASHINGTON (AP) — Legally mandated U.S. national climate assessments seem to have disappeared from the federal websites built to display them, making it harder for state and local governments and the ...

A resident of Altadena, Calif., during wildfires in January 2025. Wildfires are getting more extreme because of climate change. The Trump administration has taken down the website for the National ...

WASHINGTON (AP) — Two major scientific societies on Friday said they will fill the void from the Trump administration’s dismissal of scientists writing a cornerstone federal report on what climate ...

The second in a series of retrospectives on National Academies’ reports and activities related to climate science. As our understanding of climate change grew over the last 50 years, efforts to ...

The National Climate Assessment is more than just a report. Aside from its unique status as the authoritative statement on the state of climate change in America, it is also an expression of service ...

As climate change continues to have an impact on Nova Scotia and the rest of the world, a report from the provincial ...

Climate litigation moved from the courtroom to real-world impact in 2025. Across continents, judges blocked polluting ...