In time, it helps to create one of nature’s most spectacular ecosystems: a coral reef. Orange, blue, and sparkling-silver fish dart around a seascape of vibrant greens, yellows, pinks ...

This story appears in the February 2011 issue of National Geographic ... substrate for coral growth, and the bundled tires, instead of helping to augment two adjacent natural reefs, ended up ...

It differs from a coral reef, which is a network of many coral colonies. The National Geographic scientists estimate the giant coral in Solomon Islands is made up of one billion coral polyps ...

The waters around two remote atolls in the central Pacific Ocean—spanning 18,500 square miles—are now protected from fishing ...

This English-born marine scientist has stepped up to become a leader in the fight to safeguard the world’s reefs.

The National Geographic Pristine Seas team initially ... Now, Cabo Pulmo is an excellent example of how the world can save coral reefs. You can also help protect corals by donating to climate ...

The country is putting two of its most remote atolls, Bikar and Bokak, under protection from fishing, covering 48,000 square ...

The Marshall Islands has designated coral-rich waters around two of its remotest Pacific Ocean atolls as a marine sanctuary, ...

Recently, the National Geographic Pristine Seas team ... it differs from other corals. Normally, reefs are made up of several coral colonies, but that is not the case here. A standalone coral ...

They do this by chartering ships which take a mix of paying guests and professional researchers to remote parts of the reef. They recently founded a coral biobank to conserve endangered coral species ...