"The U.S. Department of Energy on Tuesday declared an emergency across the nation's largest ​power grid, citing soaring demand and supply risks ‌as extreme heat grips the region."

"A nearly century-old precedent that has been in conservatives’ cross-hairs for years met its demise Monday, when the Supreme Court ruled to limit the independence of agencies like the Federal Energy Regulatory Commission."

"Zombie fires are not a new phenomenon, but researchers in Alaska and the Northwest Territories of Canada have found that with hotter summers and blazing wildfires, fire has the potential to lie dormant in dry undergrowth, even under snow. When the next summer rolls around, with dry conditions, those fires can reemerge."

"A deal to bring Colorado River water to Native American communities in northern Arizona, where a third of homes lack running water, is being blocked by neighboring states, caught up in a broader battle over how to divide the dwindling river."