1. Leonardo DiCaprio
He is a fan of green living and he even bought an island, in order to create an entirely green resort. Leo is also part of many green organizations and he is concerned about the environment.
2. Brad Pitt
Brad Pitt is also one of the actors involved in the green cause. He is part of Global Green USA, which is an environmental-friendly organization. He is also involved in many green causes, as he sponsored many of them.
3. Hayden Panettiere
The young actress is also a green lover. She is now the face of an organization that saves the whales, not to mention she is collaborating with Green Peace.
4. Sienna Miller
The Global Cool is an UK based organization that is all about the climate-change. Sienna is an ambassador of this organization and she even has launched carbon-neutral clothing line. She is also a winner of EMA Futures Award, for her role in the climate change campaign.
5. Sheryl Crow
She is all about green living. She wears green clothing, she travels with a green car and she tries her best to buy and consume only organic food. Sheryl is also a face of many environmental organizations.