Known more for her efforts to raise awareness for domestic violence, the sexy Latina is also an avid supporter of environmental causes.
In fact, she traveled to the Arctic with other celebrities and politicians on a trip organized by the nonprofit Global Green to raise awareness about the plight of indigenous people who are suffering some of the most severe effects of climate change.
Founder of the Make It Right movement, this sexy environmentalist is facilitating the green rebuilding of New Orleans' Lower 9th Ward after Hurricane Katrina left it under water more than six years ago.
Today, the community is among the greenest neighborhoods in the country, thanks to LEED-certified energy-efficiency measures, solar-panel-topped roofs and community gardens.
Ryan Gosling loves chicks. The Drive star previously promoted more humane slaughtering methods for fast-food poultry suppliers, and last December he and other Hollywood A-listers sent a scathing letter to McDonald's demanding that the company stops sourcing eggs from cruel (and polluting) factory farms. Hey, Gosling does mean "baby goose," fellow fowl of the chicken. Coincidence?
Gosling's also drawing attention to conflict minerals, mined materials from Congo that are not just used to power our tech gadgets, but are also behind a deadly war.
This Olympic snowboarder doesn't just spend time on snow-capped mountains; she crusades to save them. A key board member of Protect Our Winters, or POW, Bleiler engages the winter sports community and Congress to help combat climate change by advocating for regulations on greenhouse gas emissions. After all, if there's no snow, there's no snowboarding.
The strong-bodied athlete who bared it all last year for ESPN's Body Issue also travels to high schools and universities promoting her 21-Day Reusable Challenge to help young people break their disposable plastic habits.
As if that's not enough, she also launched Nice Reusables, a family business that makes innovative, nontoxic stainless steel water bottles.
An advocate for the ocean and all of its inhabitants—including whales and dolphins—Panettiere took up free-diving so she could spend time underwater with the creatures she aims to protect. The actress also appeared in protest footage in
Panettiere is spokeswoman for—and has even auctioned off lunch dates to benefit—The Whaleman Foundation, a nonprofit that aims to save whales from not just hunting, but also pollution and climate change.
Witherspoon's the NFL's best-fed player, and he has himself to thank for that. Originally purchased as a hobby farm and a place to relax, the pro linebacker's Missouri getaway quickly turned into Shire Gate Farm, a grass-fed, Animal Welfare Approved farm that includes hundreds of heritage breed White Park cattle, chickens, and sheep.
Farm animals raised on pasture drastically improve soil health, naturally allowing the earth to sequester and store more of the greenhouse gas carbon dioxide.
While you might not agree with Silverstone's mom-to-baby-bird style of feeding, rest assured what this green goddess is regurgitating is organic. Author of the New York Times bestselling book, The Kind Diet, Silverstone opened up the national dialogue about vegan living, inspiring even the most hardcore meat-lovers to trade in steak for seitan.
Her vegan cred isn't limited to food either. The actress designed a line of nontoxic, vegan cosmetic bags, brushes, and tools for EcoTools, which you can buy in drugstores across the country.
Photo credit: Carter Smith.
The granddaughter of the famous explorer Jacques Cousteau, it should come as no surprise that Cousteau embraces water as a way to protect the earth.
Founding member and president of Blue Legacy, a nonprofit that inspires people to take action on critical water issues, Cousteau also advocates for nontoxic living in the home as a way to protect not just bodies of water, but our own bodies, too.
Adam Levine may help others hit their vocal stride on NBC's The Voice, but he's also been a passionate spokesman for the environment throughout the years through Global Cool and other eco organizations.
In his latest effort, the Maroon 5 frontman suggests "kicking your carbon habit" and living a simpler lifestyle in a video produced by The Alliance for Climate Education. Maroon 5 is a founding member of the Green Music Group, with Levine leading the way to green touring.
The other half of England's most attractive sibling pair, Pippa Middleton is hot for clean energy.
She recently started working at Cluff Geothermal, a renewable energy start-up based on one of the cleanest sources of energy there is. Her role there is to lobby the British government for new licenses.
See the Complete List! The 50 Sexiest Environmentalists