Sure, the planet's in trouble and saving it is serious business, but that doesn't mean you have to be grim 24/7. Even the most committed environmentalists need an occasional shot of green gallows humor to blow off steam and keep things real. Besides, a spoonful of laughter definitely helps the green message go down.

 

So whether you're a full-blown eco-activist or just trying to live a more sustainable life, sit back and be prepared to laugh out loud — at yourself and the state of the world. The following seven "eco-medians" are sure to bring some comic relief.