EPA Administrator Michael S. Regan speaks about climate concerns at the Lake Mead National Recreation Area on Thursday, Aug. 11, 2022, near Boulder City. (From left) They are EPA’s Martha Guzman, NPS Ranger David Alberg, Taylor Patterson with Indigenous Voices Nevada, Congressman Steven Horsford, Michael S. Regan and Congresswoman Susie Lee. (L.E. Baskow/Las Vegas Review-Journal) @Left_Eye_Images