They're hot, they're celebrities, and they believe in saving the Earth. But what's better is that they all have one thing in common (besides the environment) -- they're single! We've listed some of our favorite eco-hotties below

The beauty of culture is it's more a part of your life than you know. Artists, writers, musicians, and filmmakers can use their fame and star power to get the green message out in their favorite medium, whether its on a Web site, Twitter feed, book page,

We love seeing celebrities use their influence for good--especially when it's for the green good. With their fame and star power, they can encourage fans to eat less meat, cut their consumption, and pay attention to what's

From sexy Leo's mega donation to tigers to Kevin Costner's surprise knowledge of oil clean-up technology, celebrities were on fire this year. There were a few mistakes, however....such as NBC's "Tonight Show" debacle, which sent a barely used set to landf

This is DiCaprio going back to his first love, in a way, as before becoming an actor, he thought about becoming a marine biologist.

Good Guy Leo strikes again!

100,000 acres of Sumatran rainforest to be protected in Indonesia by a new type of zoning, which will generate sustainable revenue from non-timber forest products.

Watch a remarkable clip of Heidi the octopus as she sleeps and dreams – from the new PBS series, Octopus: Making Contact.

Don't mistake the ugly, coarse, scratchy hemp of the hippie era with the hemp of today: From catwalks to the office, this once-fringe fabric made of rapidly renewable material is geared for world domination. And it can be found in just about

Timely but not fleeting, flouncy but not frilly, unique but not unwearable, clever but never over the top -- Mr. Larkin's Spring 2010 collection was everything green fashion should be. A relative newcomer on the eco-scene, the

The name may give you visions of dogs mellowed out, but the Grateful Dog wants to make sure your dog is both happy and healthy throughout their entire stay. You can leave your dog for the day or the week, knowing that

Great news for TreeHuggers in South America: Uruguay could become the first country in the region to authorize the cultivation of industrial hemp, according to El Pais newspaper. The national Ministry of Cattle,

Not to overly play into the stereotype of the TreeHugger moniker, but today is 4/20 so a quick review of all the great uses for industrial hemp--you

When I caught up with Summer Rayne Oakes at a Fashion Delivers event in June, she only briefly mentioned her forthcoming project: Source 4 Style, an online marketing

In case you missed it (and you certainly may have in the midst of other current world affairs) it's Hemp History Week. The second annual one in fact. I imagine most TreeHugger readers don't need much convincing that

From chia to hemp, seeds were a prominent force among the 500-plus new products at the annual tradeshow in Los Angeles.

Hemp, which is considered to be a wonder-crop by many, is now legal in Colorado. Voters not only gave the thumb up to marijuana in November, but also to its THC-light cousin.

The Kentucky state Senate Agriculture Committee voted unanimously to approve legislation for legalizing industrial hemp in the state.

Mat McDermott, now writing at Motherboard, has an interview with Vermont Representative Teo Zagar about about the progress that state has made in moving towards commercial hemp production.

One more use for the versatile plant that is starting to get some traction in the US...

After making its way through the Californian legislature with bi-partisan support (!), the California Industrial Hemp Farming Act (aka SB 566) was signed by governor Jerry Brown and became state law.

Doug Fine, author and solar-powered goat herder, takes us behind the scenes of what could be America's next billion dollar industry: the hemp economy.

Hemp isn't just for food, textile fiber, and fuel, but can also be a renewable and sustainable component of green buildings, as this crowdfunded project attempts to show.

Take a bike ride around Portland and see a burgeoning pot business that isn't paying much attention yet to its energy-hogging, pesticide-loving roots.

This Monopoly alternative is designed to act as a walkthrough of the concepts of a new economically and ecologically viable "Industrial Evolution" based on a renewable bioeconomy.

Industrial hemp farming could play a big role in providing economic stability in impoverished areas, creating jobs and businesses for veterans, and growing a sustainable and regenerative agriculture movement.

Finally, there is now an ethical and practical alternative work wear option to Carhartt and Dickies.

This cozy cabin in the woods was an exercise in resourcefulness and even bartering of skills for a community of natural builders in Oregon.

I wrote my first TreeHugger post more than seven years ago. Since then, there's been a lot of water under the bridge. Here are some of the many highlights.

Who says the motto "to protect and serve" only applies to people?

Last week, California joined Oregon and Washington in signing a pact with British Columbia called the Pacific Coast Action Plan on Climate and Energy, which forms an alliance to set shared fuel standards and mandates for cutting carbon emissions.

Home is where and what you make of it -- this Oregon man made his in an old aircraft.

Inspired by the small, simple and efficient spaces of Japan, is this lovely tiny home that comes with a lot of luxurious features.

The smart arrangement of spaces and natural daylighting help make this cottage's relatively small footprint feel quite big.

The themes of this stunning little house are copper, lots of natural light, and participation within an intentional tiny co-housing community.

Our favorite green building material is now made in Oregon

Typically used to spot forest fires, one couple turns a fire lookout station into a simple but beautiful off-grid home.

Why do people do this kind of thing?

This is not easy to do.

David Milarch is on a quest to save California's coast redwoods, some of the world's oldest and largest living things; he may be saving the planet along the way.

Because cyclists should pay their fair share, right?

This couple have found a balance between financial security and freedom, by renting out their house, living out of their renovated garage, and traveling in their van conversion.

This surprising trend combines the comfort found in being around animals, along with the well-known benefits of practicing yoga.

It is by far the most energy efficient way of packaging beer. It tastes better and there is no BPA.

We laughed, we cried, but more important, we picked the recycling-loving winners of Etsy's Handmade Halloween Costume Contest.

Etsy is holding a contest to pick web readers' favourite choices of handmade children's items in seven different categories: furniture, toys, eco-friendly, art, home decor, clothes and accessories. All are made for children by independent designers.

Etsy, the website that features all things handmade to buy and sell by artists and artisans, held a contest to pick web readers' favourite choices of handmade children's items in seven different categories. These were: toys, eco-friendly, furniture,

Photo: Gideon Tsang on Flickr We know that the concept of the "buy and sell handmade" blog Etsy has revolutionary implications for consumer culture and what it means to be part of a creative community. But does politics have a place in crafting

Vinyl records are still admired by many music lovers, but when they break or get scratched, they're pretty much junk—unless you get creative. Designers have come up with lots of

Local designers from The NewNew, a group of independent handmade Etsy artists, designers, and crafters in the New York area, have come together for this years spring Handmade Calvacade. The shopping event will feature fine,