The U.S. intelligence community and other federal agencies have commissioned the National Academies of Science (NAS) to study climate engineering. The term ‘climate engineering� (CE) refers to a family of concepts that might be used to curtail global warming. In 2013, the NAS assembled an expert panel to study the subject. The panel plans to issue a report in the fall of 2014.

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US President Donald Trump reacts after signing executive orders imposing tariffs on imported goods in the Rose Garden at the White House on April 2, 2025, in Washington, DC. (Andrew Harnik via Getty Images)