A growing number of lodges adhere to green values, offering nature adventures in a sustainable setting.

If you’d like more than 24 hours to celebrate Sunday’s Earth Day, maybe it’s time for an eco vacation. A growing number of lodges adhere to green values, offering nature adventures in a sustainable setting, says Irene Lane , founder of the eco-travel agency Greenloons.com. But you don’t have to rough it, she says. “You’re not sleeping on a straw mat on a dirt floor. There are opportunities to stay in very comfortable accommodations.”