NASA, Calvin and the White House did not immediately respond to requests for comment.
Climate diplomats beginning work on the next report from the Intergovernmental Panel on Climate Change — the crucial assessment on global warming that helps shape policy for governments to companies — will meet in China this week without US officials.
US government scientists participating in the IPCC’s global assessments were issued a stop-work order from the Trump administration, according to media reports late last week, and NASA’s chief scientist Kate Calvin, who holds a leadership role in the new report cycle, is no longer attending as a result, CNN said, citing a spokesperson from the space agency.
