Florida’s Crystal River has long been a safe haven for the Florida manatee, but when an invasive algae wiped out the eel grass that manatees need for food, the community rallied to restore the river and save the animals that call it home.

Coral reefs around the world are threatened by rising ocean temperatures, but hope is growing off the coast of Hawaii. There, researchers at the Coral Resilience Lab selectively breed corals to withstand ever-increasing amounts of heat stress.

Coral reefs around the world are threatened by rising ocean temperatures, but hope is growing off the coast of Hawaii. There, researchers at the Coral Resilience Lab selectively breed corals to withstand ever-increasing amounts of heat stress.