Florida's rising water temperatures raise concerns for health of coral reefs
The extreme heat has triggered coral bleaching, where stressed corals expel their colorful algae symbionts, leaving them pale and vulnerable.
A bleaching coral is seen in the place were abandoned fishing nets covered it in a reef at the protected area of Ko Losin, after a group of volunteer divers and the Coastal Resources Research Center, helped by the Royal Thai Navy, removed 2,750 sq m of them, Ko Losin, Thailand June 20, 2021(photo credit: JORGE SILVA / REUTERS)
