The Ocean Conservancy is combatting marine debris with coastal cleanups and conservation-minded scuba divers can join the fight.

How can you help save mantas and sharks from extinction? Go dive with them.

Thomas Peschak is a globally ­recognized photographer for ­National Geographic magazine who inspires ­millions with his images.

Can a new tracking technology help save harbor-seal populations in the UK? The Sea Mammal Research Unit of University of St. Andrews will find out.

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Be part of the global picture and say no to shark finning by uploading your "fin" image today!

The University of Miami is taking a hands-on approach to marine conservation through shark research.

Looking for a list of nonprofit marine conservation organizations you can join and donate to? Here's a list of recommended groups from the editors at Scuba Diving magazine.

Ocearch’s Global Shark Tracker provides real-time updates on the migration patterns of tagged sharks, including the ­famous Twitter personalities Katharine, Lydia and Mary Lee.