NPR reports

New research shows that, in a hotter climate, urgent action will be needed to prevent the vast majority of coral species from collapsing by the end of the century. Humans will have to limit emissions of heat-trapping gases, but that alone likely won’t be enough. Reefs may also need a helping hand through efforts like restoration or coral breeding, which cultivates heat-resistant varieties.

Read story at Scientists Are Trying To Save Coral Reefs From Climate Change : NPR