Hydropower's future is clouded by droughts, floods and climate change – it's also essential to the US electric grid
- Written by Caitlin Grady, Assistant Professor of Civil and Environmental Engineering and Research Associate in the Rock Ethics Institute, Penn State
Lake Powell's water level has been falling amid a two-decade drought. The white 'bathtub ring' on the canyon walls marks the decline.Justin Sullivan/Getty ImagesThe water in Lake Powell, one of the nation’s largest reservoirs, has fallen so low amid the Western drought that federal officials are resorting to emergency measures to avoid...