Matt Damon's work on helping solve the problem on scarcity of clean water got the attention of environmental activists. And for that, he won the Greenest Celebrity Award for 2011.

More and more celebrities are getting involved to preserving the environment. A number of them are mothers to be who are assumed to pass on their green legacies to their kids.

Going green is getting in to the fashion industry. Diane Kruger attends a green fashion event to show her support to environmental fashion.

At a green auction, Nicki Minaj showed her support to environmental cause. The R&B singer, wearing hive-shaped wig, performed one of her hits to entertain eco-friendly guests.

Arnold Schwarznegger's gubernatorial term has ended and he is set to come back to show business. A green themed television series is said to be his latest project.

Ed Begley Jr. is a picture of "green" commitment. From then 'til now, he is living the green lifestyle.

Harrison Ford ventures on online gaming to spread "green" awareness. He takes part in developing a facebook green game that promotes crucial environmental issues and solutions.

Natalie Portman is a vegan, a strong supporter of animal rights and a soon-to-be mom. with her conviction to protecting animals and their rights, it seems that,indeed, she's going to be the next green celebrity mom.