Cities around the world turned their lights off for an hour to mark global action on climate change at 8:30 p.m. local time Saturday. Here are some highlights of WWF's Earth Hour initiative.
President Trump's executive order reversing an Obama-era ban on offshore drilling in the Arctic Ocean is unlawful, a federal judge in Alaska has ruled.
Why it matters: Why it matters: U.S. District Court Judge Sharon Gleason's ruling against Trump's 2017 order reinstates a ban on offshore drilling a in wide region off Alaska's coast and part of the Atlantic Ocean.