Here are 13 ideas -- some far-fetched and far-off, others thriving right here, right now -- that can make the world a greener place.
Environmentally friendly clothing has done a dumpy-to-dazzling about-face, with runway accolades, media attention and celeb fans.
Tuesday, Aug. 8, 2 p.m. ET
Sunday Source Deputy Editor and former Vogue fashion writer Suzanne D'Amato discusses eco-friendly fashion.
Hypermiling is all about making adjustments to maximize your gas mileage, and many techniques work whether you're driving a hybrid or a Hummer.
Monday, Aug. 7, Noon ET
Washington Post staff writer Josh Zumbrun reveals what he's learned about hypermiling with his car.
Sunday Source's Metro train trip returns to explore the southwest half of the Blue Line's 27 stops, from Metro Center to Franconia-Springfield.
Lara Hansen is on a mission to save the penguins from extinction, the coral reefs from fading, the glaciers from retracting and the polar bears from drowning.
The new baseball stadium in Southeast Washington is being touted as a symbol of the rebirth of the neglected Anacostia riverfront. But environmentalists aren't so sure.
Want to experience green building in action? Here are a seven area locations to check out and some tips for eco-friendly living.