The actor opted for Alternative Apparel tee while walking his dog in Studio City, Calif.
Animal magnatism! The Glee actress looked comfy in her Cheetah Boxy Tee from Wildlife Works.
The One Tree Hill star is known for her eco-friendly ways it's no surprise the actress suited up in H&M Conscious Collection.
Zac's choice of socially responsible Toms footwear—they're made from recyclable materials—just makes the sexy star even hotter.
While she's been known to favor plastic minidresses with pictures of candy on them, the singer showcases green, wearable technology with a CuteCircuit LED dress at the 2010 Met Gala that got a lot of buzz.
The starlet hits the grocery store complete with her organic Gypsy 05 jacket and reusable bags. Way to save the planet, hon!
This gaggle of famous gals all have one thing in common: their love of OmniPeace tops. The shirts are not only cute, they're also created using culturally and environmentally friendly materials and proceeds go to help fight poverty in Africa.
When she's not vamping it up on the red carpet, the Twilight star loves to keep it cazh—this environmentally friendly Alternative henley, partially made of organic cotton and recycled polyester, totes suits K.Stew's style.
The actress models a "Handle the Earth with Care" shirt by Dirtee Hollywood.
While hosting a party in Las Vegas, L.C. proves she's style savvy in a striped Gypsy 05 maxidress.
The pregnant Oscar winner dons a recycled polyester sheath from the H&M Conscious Collection at a pre-Oscar event in Los Angeles, proving that this star is all about the green.
Keep clicking to check out some of the hottest eco-friendly trends the celebs can't get enough of!
At the 2011 Academy Awards, the Oscar winner's wife created her dress using 11 recycled pieces from thrift stores and vintage shops. Not to mention, they were all from the era of The King's Speech. Talk about going the extra mile!
The TV correspondent shows off her green stems in M2F Brand denim, which is made with eco-friendly yarn and earth smart dye processes.
MORE PHOTOS: Recycled Style: Stars in Vintage Outfits