More than a year after the Trump administration ended the work of hundreds of scientists on the National Climate Assessment, many of those researchers and others have released the first part of a special collection of climate change findings. This collection, published in scientific journals by the American Geophysical Union (AGU) and the American Meteorological Society (AMS), aims to guide future research and inform the public about the most pressing climate issues. The two organizations plan to publish more studies that local and state governments can use to create their own climate assessments, filling a gap left by the halt of federal efforts.
In April 2025, the Trump administration stopped independent scientists from working on the sixth National Climate Assessment, a report required by Congress that summarizes the impacts of global climate change in the United States. The administration also cut funding for the U.S. Global Change Research Program (USGCRP), which had organized the report’s production. The USGCRP website is no longer online. This decision left a void in the federal government’s ability to provide comprehensive climate science to the public and policymakers.
The newly published report, appearing in the journals Earth’s Future and the Bulletin of the American Meteorological Society, was authored by 175 climate scientists, many of whom had participated in earlier assessments. The report highlights areas of climate research that the authors believe need more attention, such as the risks of compounding events—like a heat wave following a hurricane. It also notes improvements since the last National Climate Assessment, including better understanding of flood risks and how hurricanes rapidly intensify, along with the effects of coastal land sinking.
The future of the National Climate Assessment remains uncertain. The 1990 Global Change Research Act mandates that the USGCRP submit a report to the president and Congress every four years. These assessments have typically included summaries of climate science, its effects on the U.S., and how society is adapting. They also provided localized climate predictions to help communities understand their specific risks. However, the Trump administration has not confirmed whether it will produce a sixth assessment, despite the congressional deadline for 2027.
The administration has also proposed editing the 2023 National Climate Assessment to remove a discussion of a high-emissions scenario it considers unlikely. Scientists criticized this move as unusual, calling it politically motivated. The report had already gone through peer review and public comment, and a new version was due soon. Meanwhile, the administration has not responded to questions about the future of the assessments or the proposed changes. Some experts suggest that the absence of a federal climate report may leave a gap in information for policymakers, prompting nonprofit science groups to step in with their own research initiatives.
Climate Scientists Release New Research Amid Uncertainty Over U.S. National Assessments
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