Earth-Friendly Valentine Cards
What's the most environmentally-sound thing to send your sweetie on Valentine's Day?
A giant heart-shaped wind turbine?
Nah.  How about one of these E-cards from care2.com.
The Ecological Elephant in the Room
What would you do to help preserve Earth's resources for future generations?
Move to within walking distance of work? Go vegetarian? Have one less child? How about just eating less endangered fish?
Then again, maybe just knowing somebody who does that stuff will be enough...