via Smartwater

Another star spending their green on green: Jennifer Aniston! This Friends star is becoming a friend of the environment by renovating her Beverly Hills home and equipping her new Malibu pad with eco-friendly devices.

After re-vamping her house in Beverly Hills, Jen is creating a new eco-friendly house in Malibu and is spreading the word about eco-friendly houses and supporting the green industry.

Jennifer's first renovation cost her a whopping $15 million, and the additions include solar panels and a reflective metal roof to conserve energy. Her green Malibu pad will also have drought resistant plants and organically made building materials in addition to its ocean view.

Looks like Jen is taking a page out of her man John Mayer’s book. Her rockin’ boyfriend is not just “Waiting on the World to Change” but has joined the fight against global warming. He was one of 150 musicians to perform at the 2007 Live Earth concert AND he even made his entire 2008 tour eco-friendly!

The duo is taking steps to make sure they leave the smallest carbon footprint. From the stage or studio to their homes John and Jen are painting the world green! Oh and did we mention Jen also drives a Prius hybrid? Ah, green luxury at last.

But going green doesn't always mean big bucks. "When you become aware of all the things you do, and the effect those things have, you want to make small changes…," Jen told Good Housekeeping. Jen's practicing what she preaches these days, with earth-friendly habits like three-minute showers, brushing her teeth in the shower to save water, and unplugging her cell phone charger when not in use.

That's right, you don't have to have $15 million dollars to go green! Small changes add up!

What else do you think Jen could do to embrace the eco-trend? Comment below!