Oceans cover more than 70 percent of Earth's surface. But could the kinetic power of the tides or the oceans' thermal energy become the world's future power source? Listen in as Josh and Chuck break it down.

International waters cover 71% of the Earth's surface, and a separate set of laws and regulations govern human activity on the seas. But who actually owns the oceans? Listen and find out in this podcast from HowStuffWorks.com.

Oceans Premiere. Interviews with Pierce Brosnan ("James Bond 007'), Demi Lavato ("Sonny with a Chance"), and Robert Iger (President & CEO, Disney).

Disneynature, the studio that presented the record—breaking film “Earth,” brings OCEANS to the big screen on Earth Day, 2010. Nearly three—quarters of the Earth’s surface is covered by water and OCEANS boldly chronicles the mysteries that lie beneath. Directors...

Disneynature, the studio that presented the record—breaking film “Earth,” brings OCEANS to the big screen on Earth Day, 2010. Nearly three—quarters of the Earth’s surface is covered by water and OCEANS boldly chronicles the mysteries that lie beneath. Directors...

Disneynature, the studio that presented the record—breaking film “Earth,” brings OCEANS to the big screen on Earth Day, 2010. Nearly three—quarters of the Earth’s surface is covered by water and OCEANS boldly chronicles the mysteries that lie beneath. Directors...

Disneynature, the studio that presented the record—breaking film “Earth,” brings OCEANS to the big screen on Earth Day, 2010. Nearly three—quarters of the Earth’s surface is covered by water and OCEANS boldly chronicles the mysteries that lie beneath. Directors...

Disneynature, the studio that presented the record—breaking film “Earth,” brings OCEANS to the big screen on Earth Day, 2010. Nearly three—quarters of the Earth’s surface is covered by water and OCEANS boldly chronicles the mysteries that lie beneath. Directors...

Disneynature, the studio that presented the record—breaking film “Earth,” brings OCEANS to the big screen on Earth Day, 2010. Nearly three—quarters of the Earth’s surface is covered by water and OCEANS boldly chronicles the mysteries that lie beneath. Directors...

The music video for song “Oceans Deep” by SONSOFDAY. The video mostly takes place on the I-5 bridge that connects Oregon and Washington above the Columbia River.