See how the stars measure up -- from Earth lovers (Brangelina!) to eco-disasters (Octomom!) (20 Photos)
Ali Gray on Nov 17, 2011 at 2:39PM
chime in nowGrade: A+
Evaluation: Matt Damon is so concerned about Mother Earth that he was named 2011's Greenest Celebrity by TheDailyGreen.com. Among his many eco-friendly projects is Water.org, an organization that works to supply clean water to the nearly 1 billion people who lack access to it. The site also sells reusable water bottles, the proceeds of which benefit the clean-water cause. Plus, they're much greener than their infamous plastic cousins.





