The weather can't be beat, and the water is crystal-clear. Hawaii's third-largest island is home to some of the world's best diving, offering something for every type of diver.
What would you do if a Caribbean reef shark engaged with you? An amazing GoPro video from the Cayman Islands shows a diver spearfishing a lionfish and getting investigated by a shark.
An east Lombok, Indonesia, fish market — Tanjung Luar — is a butcher shop for sharks and mantas — what can be done?
The Coral Reef Alliance helps West Maui hotels retrofit in ways that will keep excess nutrients off the reefs.