In recent years celebrities have helped to bring more awareness to the green movement, by going green themselves. MNN covers celebrity green news with articles, photo galleries and a video series called "Ecollywood" that features celebrities offering their green tips.

After stint on the farm, Daniel Day-Lewis retires from acting

Tom Hardy pens heartbreaking tribute to his beloved dog Woody

David Attenborough 'coming to terms' with memory loss (but no, he's not retiring)

Buzz Aldrin's love for oatmeal knows no bounds

Big voices rally behind March for Science

7 sickly kids who grew up to change our world

Is your favorite restaurant on the James Beard Award finalist list?

Patrick Stewart meets his foster pit bull, and it's just adorable

Get this lady some vegan schmear, stat!

How Bill Nye will rescue us with science

Tracey and Jon Stewart's animal sanctuary gets final blessing

Carrie Underwood's dog tackles paralysis with hydrotherapy