Which Beverage is Greener: Beer or Wine?

Audubon magazine's Green Guru Susan Cosier tackles several perplexing questions in the September-October issue. From which alcholic beverage is best for the eco-conscious consumer, to why swamps smell like rotten eggs, to how to filter pollutants out of the air in your home with plants, she's got the answers. Got a vexing question? Ask away: greenguru@audubon.org