From see-it-to-believe-it spawning events to kelp forests you could almost get lost in, the marine life at these destinations simply can't be beat.
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Rick MacPherson, conservation programs director for the Coral Reef Alliance, has built a global team of local conservation leaders in everywhere CORAL works.
A new documentary explores the tragic legacy of killer whale training.
Slowly but surely, humans are coming together to protect sharks all across the globe.
In underwater photography, it can be a challenge to get the correct exposure on transparent animals, such as this hooded nudibranch in British Columbia; see how David Hall made it happen.