Vox: The news out of the Great Barrier Reef keeps getting worse and worse.
For months, the northern half of Australia's famed coral reef has been ravaged by an unprecedented mass bleaching event. Record high temperatures in the Pacific Ocean, fueled by global warming and a powerful El Nio, have turned this once vibrant ecosystem into a ghastly pale white tableau.
Now scientists are assessing the fallout -- and it's grim. On Sunday, Australian researchers estimated that 35 percent of the corals...