Just in case Al Gore hasn't been clear enough, Leo wants to remind us that the planet is screwed - but maybe it's not too late. We're not sure if the trailer is meant to depress or inspire.
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.