The reports tell state and local governments and everyday people what to expect in a warming world and how to prepare for it.

The National Climate Assessment is the most influential source of information about climate change in the United States.

The government website that hosted the federal government’s national climate reports, which are mandated by legislation, went ...

Links to the U.S.’s most comprehensive climate reports—the National Climate Assessments—disappeared from the Internet on ...

The Mauna Loa laboratory in Hawaii has measured atmospheric carbon dioxide, which — along with other planet-warming pollution ...

The Trump administration shut down a website with national reports on climate change. Scientists decry the move, saying it ...