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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Ceremonial soldiers parade during the 79th anniversary of the Victory Day in Red Square in Moscow, Russia, on May 9, 2024. (Sefa Karacan via Getty Images)