Waves crash against the coast as Hurricane Harvey intensifies in the Gulf of Mexico in Port Lavaca, TX on Friday, Aug 25, 2017. | Jabin Botsford/The Washington Post via Getty Images

Hurricane Harvey May Have Hurt the Gulf’s Already Stressed Coral Reefs

Trillions of gallons of water flowed into the Gulf of Mexico following the hurricane, leading to a 10 percent drop in salinity that could weaken the reefs.