Journey to the End of the World premieres on April 26, Play Quiz Now!

Tune in for the premiere of "Future Earth," a four-part series on the environment starting on April 26 at 10 p.m. ET/PT on MSNBC. In "Future Earth: Journey to the End of the World," find out why the world's climate machine — the North Pole — is melting alarmingly fast. With new footage and state-of-the-art graphics, learn about our planet's future — and what you can do to stop its decline. Keep checking for more information.

Test your global warming knowledge!
With Video Trivia from NBC News'