
Try our water-themed crossword puzzle at any level -- for the novice, we have hints, for the pro, we have a timer. See if you can beat your personal best.

We talk a lot about conserving water, but it's not just so we have enough to drink: the world's oceans, streams, ponds, and even puddles are some of Mother Nature's most amazing work. Check out these cool water pics, and vote for your favorite.

Explore the bleak future of sharks in this slideshow.

Coral is the lifeblood of the ocean. Watch this slideshow to see beautiful coral and learn more about this fantastic underwater organism.

Dolphins are spectacular animals known for their intelligence and playful nature. Find out more about this magnificent marine mammal.

See great photos of the beach as part of our Ban the Bags, Butts and Bottles campaign.

Watch this beautiful music video shot at the Okinawa Churaumi Aquarium -- the second largest tank in the world. Music by Barcelona.

Test your knowledge of the world's oceans and seas in our quiz. Then, at the end of the quiz, you'll have a chance to enter our Solar Backpack Sweepstakes!

View a slideshow that demonstrates how red snapper is caught through sustainable fishing practices.

You think your water conservation knowledge is pretty strong, huh? Why not put it to the test with our new water conservation quiz? Just make sure that the shower isn't running while you take it. That would be counterproductive.

What is Your Volunteering Personality? Take our green volunteering quiz to find out.


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