Kara Mertz tries to run an eco-conscious home. She buys wind energy credits to offset her electricity usage, and she owns a solar water heater. But her carbon footprint is still significant, thanks in part to the 20 gadgets her teenage son is constantly recharging.

Fortunately for Mertz, her hometown of Boulder, Colorado, may soon have options that allow far greater control over energy use.

The gorgeous Greta Garbo was from Sweden. Uma Thurman, Candice Bergen, and the wide-eyed Gyllenhaall sibs all trace their pretty genes back to that icy country, too. We've got to say, as a people, the Swedes are pretty smokin'.

And now, the people of Sweden are joining their hot bodies together for a good cause: To help the environment.