Knowledge Tree
U.S. National Climate Assessment
Also known as: NCA4, NCA5, U.S. National Climate Assessment, National Climate Assessment
Facts (13)
Sources
DOE reframes climate consensus as a debate - E&E News eenews.net Jul 31, 2025 5 facts
perspectiveBurgess believes the National Climate Assessment should incorporate more feedback from researchers outside the mainstream scientific consensus.
perspectiveBurgess hopes the Trump administration will conduct a National Climate Assessment that includes climate critics, such as the authors of the DOE report.
perspectiveSteven Koonin wanted to challenge the science behind the endangerment finding while highlighting uncertainties in established bodies of science, including the National Climate Assessment and the Intergovernmental Panel on Climate Change.
claimThe Trump administration ended work on the National Climate Assessment, a congressionally mandated, yearslong report produced by hundreds of scientists, and removed earlier versions of the report from government websites.
claimThe National Climate Assessment involves scores of scientists, public comment, and peer review from the National Academy of Sciences, according to Phil Duffy, a physicist who studies climate change and served at the Office of Science and Technology Policy during the Biden administration.
The Energy Department "Red Team" Critique of Greenhouse-Gas ... revkin.substack.com Jul 31, 2025 3 facts
accountThe red team report focused on central claims and the science underpinning the 2009 Endangerment Finding’s Technical Support Document, specifically targeting the National Climate Assessments (NCA4 and NCA5), which are used by the U.S. Congress for legislation and research funding.
claimThe authors of the Department of Energy report 'A critical review of impacts of greenhouse gas emissions on the U.S. climate' are known for challenging conclusions of the U.N. Intergovernmental Panel on Climate Change and U.S. National Climate Assessments.
perspectiveReaders should consider the report alongside mainstream sources like the IPCC AR6 and NCA5 to contextualize its findings within the broader scientific consensus.
Scientific consensus on climate change - Wikipedia en.wikipedia.org 2 facts
referenceThe United States' National Climate Assessment has been released periodically since 2000 under the auspices of the United States Global Change Research Program.
measurementThe fourth National Climate Assessment involved approximately 1,000 people, including 300 leading scientists, with roughly half of the participants coming from outside the government.
Dozens of scientists push back on 'fundamentally ... - ABC News abcnews.com Sep 3, 2025 1 fact
referenceThe U.S. National Climate Assessment determined that human activities, principally through emissions of greenhouse gases, have unequivocally caused global warming and that severe climate risks to the United States will continue to grow without deeper cuts in global net greenhouse emissions and accelerated adaptation efforts.
Misleading U.S. Department of Energy climate report chooses bias ... science.feedback.org Aug 5, 2025 1 fact
claimThe U.S. government removed the website for the U.S. National Climate Assessment, making it no longer accessible.
Scientists Say New Government Climate Report Twists Their Work wired.com Jul 30, 2025 1 fact
claimThe White House removed the authors of the National Climate Assessment from their roles in April.