This AmeriCorps National Civilian Community Corps team did trail maintenance and construction work in Pennsylvania in 2017. Tim Leedy/MediaNews Group's Reading Eagle via Getty ImagesWhen President Joe Biden created the American Climate Corps by executive order on Sept. 20, 2023, it marked a step toward keeping a pledge he made nearly three years earlier: to create a new workforce training and service program to deal with global warming. The White House promises that the corps “will ensure more y