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Trump Administration Reshapes Federal Climate Science

Coverage from The Guardian, Inside Climate News, and others

Articles

14

Active Days

81

The Topic

Trump Administration Reshapes Federal Climate Science topic image

The Trump administration is restructuring federal institutions that produce and oversee climate, environmental, and broader scientific research, including the EPA’s research office, the National Science Board, and the U.S. Global Change Research Program. The appointment of climate skeptic Matthew Wielicki to lead the program follows the dismissal and replacement of scientists working on the Sixth National Climate Assessment. The changes could affect the independence, scope, and assumptions of government climate research used in regulation, public-health planning, infrastructure decisions, and climate-risk assessment, although the administration describes them as efforts to reduce politicization and align science with policy priorities.

First Article: 04/28/26

Latest Article: 07/17/26

Summary

  • Matthew Wielicki was appointed to lead the U.S. Global Change Research Program and oversee the Sixth National Climate Assessment.
  • Scientists developing the assessment were dismissed, and work was later restarted with researchers known for questioning established climate science.
  • The EPA’s independent research office has lost staff, laboratories, and projects involving climate impacts, pollution, toxicology, and environmental justice.
  • The administration terminated all 22 members of the National Science Board, prompting concerns about politically loyal replacements and weakened scientific oversight.
  • Professional scientific groups plan to publish alternative research collections as federal climate-science capacity is reduced or disputed.
  • A changed National Climate Assessment could alter climate-risk baselines used by infrastructure planners, insurers, lenders, engineers, and public agencies.
  • The administration says scientists have been restructured into policy-focused roles and that the changes will improve alignment with agency priorities.

History

07/23/2026

The story now adds that the assessment process was not only disrupted but later restarted under researchers skeptical of mainstream climate science, and it broadens the implications to specific downstream users of climate-risk baselines. It also sharpens the institutional restructuring theme by adding the National Science Board as a second major body hit by terminations.

07/23/2026

The core story is unchanged, but the current version adds sharper detail on how the administration is justifying the restructuring and broadens the stated downstream impacts. It also slightly reframes the Sixth National Climate Assessment disruption as a stop-work/replacement process that left methods and conclusions unsettled.

Full History

Featured

Timeline: 81 Days

Apr 28May 12May 26Jun 16Jun 30Jul 14

Additional Articles

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The Spokesman-Review07-12-2026
The Trump administration appointed Matthew M. Wielicki in 2025 to lead the U.S. Global Change Research Program that compiles the National Climate Assessment.
DNYUZ07-10-2026
Matthew M. Wielicki was appointed in the 2020s to oversee the U.S. Global Change Research Program and the National Climate Assessment in the United States.
Chemical & Engineering News / Leigh Krietsch Boerner07-17-2026
On July 9, US Department of Energy Secretary Chris Wright announced Matthew Wielicki as USGCRP director as 2025 funding cuts and National Climate Assessment staff dismissals continued.

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Yale E36006-17-2026
In January 2025, the Trump administration shut down EPA Office of Research and Development climate and environmental justice projects, after firing epidemiologist Thomas Luben.
Eos / Grace van Deelen07-09-2026
Matthew Wielicki leads USGCRP as Trump administration changes staffing for the Sixth National Climate Assessment scheduled for 2028, after controversies around the 2009 Endangerment Finding.
Environment+Energy Leader07-13-2026
In Washington, D.C., the White House appointed Matthew M. Wielicki to lead USGCRP to resume NCA6 after a 2025 stop-work order.
Salon / Garrett Owen05-02-2026
The Trump administration fired the National Science Board immediately in a legal-appointment dispute, drawing criticism over proposed NSF and climate-research funding cuts.
Newsmax07-10-2026
Donald Trump appointed Matthew M. Wielicki to oversee the U.S. Global Change Research Program, responsible for the National Climate Assessment.
Atmos07-15-2026
White House appointed Matthew Wielicki in 2025 to oversee the U.S. Global Change Research Program and the National Climate Assessment, after climate science disputes and staffing changes.
Climate Power07-09-2026
Trump appointed Matthew Wielicki in Washington, DC to lead the U.S. Global Change Research Program producing the National Climate Assessment amid prior assessment researcher dismissals and website removals.
Climate Depot07-10-2026
Trump administration revived USGCRP and appointed Matthew Wielicki on July 9, reshaping the National Climate Assessment as litigation and EPA rulemaking disputes continue.