earth day roundup

April 22 is a great day to celebrate the Earth, but don't let the calendar stop you from making merry the other 364 days of the year.

Can we use grass to power our cars? Proponents of cellulosic ethanol made from switchgrass think we can. Others fear we'll stop growing food to grow fuel.

You traded in your old car for a hybrid, bought organic sheets and even offset your last flight's carbon emissions. But is going green really all about what you buy?

Green myths aren't just about giants and leprechauns -- it's hard to sort fact from fiction when adopting a greener lifestyle. What are five monstrous green myths?

Forget the wooden stake -- the only thing that stops this vampire is unplugging your electronics. Vampire power sucks energy at a rate that would make anyone scream in horror.

For many of Darfur's refugee women and girls, feeding the family means facing beatings and rape in the search for firewood. But there's a simple stove -- you could make one at home with foil and cardboard -- that can protect them.