It's a smart thermostat for hydronic heating systems and is not such a dumb idea.

This Valentine's Day, shop local.

Scientists have named a new marine ecological community, the Plastisphere, comprised of, you guessed it, plastic -- and all the organisms that now call ocean plastic home.

Honeybees survey vast tracts of land during their communal foraging. They share their best finds in a waggle dance, which new research has turned into a powerful tool for assessing ecosystem health.

The ecosystem had thrived for thousands of years but collapsed less than two centuries ago.

In a Canadian province where a winter heating with electricity might cost a few hundred dollars per month minimum, this man manages to cut his heating bill by using free solar energy.

Solar grid parity will vary from city to city. A new interactive map helps show how it will spread.

Michael Pollan writes in the New York Times about the connection between the American diet and the cost of health care; Surprisingly, conservative writers like Marie-Josée Kravis are saying much the same thing,

A technology developed at a national lab for improving carbon capture at power plants may be able to help craft breweries capture and reuse CO2 from their fermentation processes, while also slashing costs.

After seeing the stunning Dymaxion car built by architect Norman Foster in Abitare and the Guardian, I wrote "I want one." Not that an eleven-seater is particularly useful, but it is just so gorgeous. Over at Metropolis,

A new kind of food label hopes to fight obesity by stating how much exercise is required to burn it off.

This little solar powered device can take the guesswork out of SODIS water treatment, showing when the resulting water is safe to drink.

Great Lakes residents would be paying this off for 47 years ... but reaping the benefits for just as long.

This month, BookHugger presents Let Them Eat Shrimp by Kennedy Warne. Readers can order a discounted copy.Watch live streaming video from treehuggerlive at livestream.com Vital Mangroves On The Edge Of

Although activities that mess with local ecosystems to let humans experience nature usually seem intrusive, looking at the canopy face to face while slowly traveling in an aerial tram in the Costa Rican rainforest is a fairly

A venue which showcases and sells 100% locally produced design and artisan items while educating about sustainability and fair trade in San Jose, Costa Rica.

Has the Costa Rica Foreign Minister really just suggested that the Sea Shepherd founder might voluntarily go to Costa Rica to face trial?

Two ships of shark fin poachers have been stopped in the past two weeks, influenced by renewed government focus on the issue due to Paul Watson's case in Germany.

Exceptions will be made for subsistence hunting and fishing.

Hardly a secret anymore, but still off the beaten track a bit, Playa Guiones in Nosara, Costa Rica doesn't disappoint.

Though shark finning itself had already been banned, transportation and import of shark fins had not been.

A couple weeks ago, Jairo Mora Sandoval, a 26-year-old conservationist, was kidnapped by sea turtle poachers in Costa Rica. He was bound, beaten, and shot in the head. His body was found on the beach the next day.

"We don't want animals in captivity or enclosed in any way," says Costa Rica's Environmental Minister.

When you create a law to regulate something, there's always the danger that people will drive a truck through the loopholes, adhering to the letter of the law but not its spirit.

Prices have fallen 12% thanks to this switch to renewables.

The tropical country received almost all of its energy from a mix of renewable energy sources.

Researchers discover how Arctic foxes modify their dens to make the surrounding land more fertile.

Patricia Urquiola at the exhibition 'Cosas' at Habitat Valencia. Photo Credit: Petz Scholtus Valencia Design Week has invited us to FEED, the first international design media and bloggers' meeting this week, so together with Core77, Mocoloco,

Break out the gold lamé, Grandma, and trip the light fantastic!

Designed for safety and comfort, this sharing bike looks similar to a standard bike, allowing friends to easily hop on and off.

As most environmentalists know, there are hidden costs behind most price labels. This video explores how to uncover those facts.

Decommisioned parachutes are being transformed into lightweight rain harvesting systems to provide drinking water in semi-arid regions.

This coastal region, which specializes in sun, surf, and seafood, is well worth visiting if you're ever near Rio de Janeiro.

Despite Natura's seemingly excellent and forward-thinking business model, their list of ingredients is surprisingly awful and toxic, which calls into question the B Corp certification standards.

A clever redo of a small 376-square-foot apartment in São Paulo that uses lots of glass and reflective surfaces.

If it weren't so subsidized, it would be a lot more expensive, and people might fly a lot less.

Largest study yet predicts "The next nuclear accident may be much sooner or more severe than the public realizes"

Now, for the rest of the U.S. and Canada to get on board...

Slight adjustments to the way you shop and cook can result in big savings.

XEROX/PARC Spiral Water Filtration Technology A typical water-treatment plant is very big and very expensive. XEROX's Palo Alto Research Center (PARC) has come up with a new technology that could make the whole process cheaper and simpler, potentially

Using solar stills to purify water isn't a new idea, but it's an effective one. And now new efforts are underway to use this old technology to help green the desert.

A new desalination technology company is looking to help clean up and recover some of the trillion gallons of salty wastewater from the oil and gas industry.

The smartest features of a smart thermostat may actually be the pretty simple.

The dual source heat pump uses either the ground or the air as a heat source.

Hold on to your wallets, because this little dwelling isn't for sale yet, but it is a promising development in the tiny house movement.

Thanks to careful scrounging and salvaging, a Danish design student was able to cheaply build a "self-sufficient" dome for use as a greenhouse.

Most costumes are single-use plastics, made from polyester that's essentially disposable and non-recyclable. We can do better than that.

Fan(c)Fan is a creation by Marco Gallegos which challenges this product's typical scale and materials.

All 250 stores, production facilities, headquarter, and e-commerce in North America will be closed for a day.

You thought disco was dead? Not with these old payphone booths, now transformed into ultra-exclusive, tiny dance clubs, complete with the disco ball.