Buy your cooking grease from family-owned estates and you're much likelier to be helping the planet.
September's Meadow Fire in Yosemite National Park burned nearly 5,000 acres, closed popular hiking trails, and required dozens of people to be evacuated by helicopter from the top of Half Dome (at left).
Filming the wild and sometimes treacherous history of Yosemite Valley climbing.
On his new hybrid car, being a member of Mensa, and the most environmentally conscious character on "Modern Family."
There are lots to choose from--and lots more to choose against.
Find out if you're spending too much money on hot showers.