Fruits & Vegetables
Lou Manna for AOL

On an episode of The Oprah Winfrey Show, Michael Pollan, whole-foods advocate and author of In Defense of Food and The Omnivore's Dilemma, was asked for the best way to reduce your carbon footprint. His answer? Eat less meat. In his family, they have one meat-free day per week -- every Monday.

This is the idea behind Meatless Mondays, a non-profit initiative of the Monday Campaigns and the Johns Hopkins' Bloomberg School of Public Health. Their goal is to help reduce meat consumption by 15 percent in order to improve personal health and the health of the planet.