ocean acidification

About 1 out of 3 ocean species will be extinct by 2100 if immediate climate action isn't taken soon, says a new report.

Learn about some of the most pressing challenges to ocean health, how the U.S. government is working to address them, and how you can help.

Learn about the upcoming Our Ocean Conference, April 13–14 in Palau, hosted jointly by Palau and the United States.

Coral reefs are vanishing faster than rain forests. Why? Every day for the last decade, our ocean has absorbed roughly 22 million tons of carbon dioxide.

Greenhouse gases are altering ocean chemistry. The acidification is damaging marine creatures and their ability to avoid predators and find food and mates.

Who needs a lab coat when you have a wet suit? These citizen scientists are helping collect oceanic data by using SmartFin technology when they surf.

A new generation of voyagers aboard the Hōkūle’a, a 62-foot voyaging canoe, is on a 60,000-nautical-mile voyage around the world.