Earth911.com gives some tips on how to stay green even when stuck in the airport.
Find out how a community in Columbia went from cocaine to green tourism.
At San Francisco Airport, look for kiosks this spring where you can purchase carbon credit offsets just before you board your plane.
And if you think that volunteering on vacation means you have to rough it, think again. Seems that many luxury hotels and resorts have seen the light and are helping guests do good without giving up the perks of high-end travel. For example, at the Ritz-Carlton Kapalua in Maui, you can spend the day lounging by the pool or digging up weeds. Or at the JW Marriott New Orleans, you can get involved with the local chapter of Habitat for Humanity.