FILE - Kelsey Juliana, of Eugene, Ore., a lead plaintiff who is part of a lawsuit by a group of young people who say U.S. energy policies are causing climate change and hurting their future, greets supporters outside a federal courthouse, June 4, 2019, in Portland, Ore. A 9th U.S. Circuit Court of Appeals panel on Wednesday, May 1, 2024, rejected a long-running lawsuit brought by young Oregon-based climate activists who argued that the U.S. government's role in climate change violated their constitutional rights. (AP Photo/Andrew Selsky, File)