Humans! Destructive Plague?
This little animation from Three Legged Legs, about the health of our planet, is really well made.
The message of the clip–that humans are a uniquely destructive species and are disrupting the universe's natural harmony–is a little simplistic. Think Agent Smith's "virus" diatribe from The Matrix. After all, we wouldn't have bunnies and bears and stuff in the first place if it weren't for the "oxygen catastrophe," and that was hugely disruptive.
But the animation is really slick.