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.

Tracey and Jon Stewart's animal sanctuary gets final blessing

Carrie Underwood's dog tackles paralysis with hydrotherapy

Carrie Fisher's dog finds the perfect home

David Attenborough concludes 'Planet Earth II' with heartfelt appeal

Captain Planet Foundation celebrates 25 years with star-studded gala, new initiatives

Is the 'Gilmore Girls' revival perfect or a hot mess? Yes

10 reasons you don't need Martha Stewart's Thanksgiving meal kit

Top 10 'Gilmore Girls' revival binge-watching snacks

Leonardo DiCaprio may save the 'Captain Planet' movie

'Back to the Future'-inspired sneakers will arrive this year

6 reasons why Bill Nye's new Netflix show will be awesome for science

Leonardo DiCaprio's Oscar speech moved the needle on climate change