The administration has a new climate change office. It’s headed by a climate critic.

By Scott Waldman | 07/09/2026 06:11 AM EDT

The office that produces the National Climate Assessment has been reconstituted, after the administration gutted it last year.

Scientists at the University of Alabama in Huntsville prepare a weather balloon for launch.

Meteorologists say data gathered by weather balloons provides crucial information about changing conditions, but gaps in the data are starting to emerge. Mark Humphrey/AP

The Trump administration has reconstituted a governmentwide program that tracks how climate change is transforming the country, after having gutted it last year as part of a purge of programs that didn’t line up with its worldview.

The U.S. Global Change Research Program is now headed by Matthew Wielicki, a former University of Alabama geochemist, according to his public postings on social media and confirmed by a second person familiar with the program, granted anonymity over fears of reprisal.

Wielicki, who calls himself a “professor in exile” and who frequently critiques climate science on social media, will be in charge of the program’s primary product, the congressionally mandated National Climate Assessment, a comprehensive report released every four years that shows how American infrastructure, lives and the economy are affected by climate change.

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Reached by phone, Wielicki, who has been soliciting ideas on X for what he should include in the next version of the assessment, said he’d like to speak about his work but only if the White House allows. The White House did not make him available for an interview, but sent a statement.

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