For a chance at winning one of two DVD box sets of the complete Planet Earth series, or one of six DVDs of volume three (Great Plains, Jungles, Shallow Seas) or volume four (Seasonal Forests, Ocean Deep) from the series, leave a comment below. Eight lucky winners will be randomly chosen and announced on April 30, 2009. Good luck!
Earth Day is a big deal here at PopSci. It's a time for admiring our incredible planet, and for giving back-- to the Earth, and to our readers (that means you). We've teamed up with the BBC to bring you a gallery of stunning images from the popular Planet Earth series, video clips (so you can appreciate the full affect), and our most extravagant giveaway yet.