Local currencies are nothing new, but one city is allowing its businesses to pay their taxes with local money.

Volunteers are trialling an urban fish farm allotment in Bristol, England. Could this help ensure food security in an uncertain future?

The Severn Barrage could create 50,000 jobs and provide 5% of the UK's electricity needs. Critics say we can do better than that.

This looks like lungs, sort of, but it's really made out of meadow flowers.

The Bristol Cargo Bike project is creating a "light weight mega geared micro logistics vehicle of choice for a city of hills."

Abandon not all ye moth-eaten and shrunken cashmere sweaters—designer Brooke Serson Cernonok of Teddylux can sprout an entire menagerie from your castoffs.

As part of their larger Campus Sustainability Initiative, Emory University (GA) students are being asked to commit to each doing three green things in their personal life and on campus. While the program is voluntary, the university

Working in shared office spaces is an attractive solution for creative start-ups, and has become more and more sought-after in many of the bigger cities. Green Spaces in Manhattan has turned into a well-working

I have been trying to write something punchier than David Goldberg at Transportation for America did but I cannot, this event is "so utterly outrageous, so emblematic of the failure of our current transportation

Here is an interesting juxtaposition of stories; Kaid Benfield at NRDC Switchboard picks up on a study about how dangerous it is to be a pedestrian in America. He quotes Transportation for America: In the last decade, from 2000 through 2009, more than

Proof that buildings from the 70s and 80s can be fixed well instead of demolished: Perkins + WIll gets the highest LEED score in America.

Bogobrush is socially-minded, biodegradable toothbrush that gives back to the community.

Things don't quite work as they are supposed to when people stand up.

A new study from the Breast Cancer Fund shows that BPA is found in canned foods marketed specifically to kids. This should be no surprise to TreeHugger readers; we have been talking about BPA lining cans for years. All

Just when I thought it would be fine to cook with canned tomato sauce - bis-Phenol A recently having been granted toxicology probation - emerges the possibility that BPA can make you obese. Ohhh wait - not

It is one thing to ban something, it is another thing to have something to replace it with at hand. We don't.

Where does the FDA stand on a BPA ban?

Beer cans are lined with the stuff, but hey, thats the price you pay for convenience.

Cartoonist Joe Mohr shows how the chemical might have affected the cartoon hero

A new study from the University of Illinois shows how chemical exposure early in life can alter stem cells and cause disease.

What's in that "polymer lining" in every can? A gender-bending hormone that may be really bad for you.

Find out which brands are the best and worst players in the canned food industry right now.

A new report shines the light on a dirty little 'secret' of canned goods, which has little to do with the food itself, and everything to do with the coating in the can.

Nobody should be drinking canned beer. Period. But it is particularly bad for young women.

There is a fundamental logical inconsistency here. Either the stuff is bad for you or it isn't.

The Aral Sea, Central Asia's most (in)famous body of water, has become a global symbol of environmental mismanagement. But at least one government in the region doesn't seem to have

Nearly a year ago a "Great Green Wall" of trees was proposed to run across the entire southern border of the Sahara desert in an attempt to stop expanding desertification. At the TED Global conference in Oxford, England,

It's been a couple of years since the still-planned and so-called Great Green Wall of Africa graced the pages of TreeHugger, so here's a quick update and overview: As the BBC reports, African leaders are meeting in Chad to further push the

From Wangaari Maathai's Billion Tree campaign to lush permaculture landscapes in Jordan, we've seen how individuals and communities can reverse desertification and bring life back to arid soils. Now a new dramatized documentary

The building of the massive 5.6-square mile Ivanpah solar project in the Mojave Desert by BrightSource Energy has been suspended in the midst of

A bright white antelope with long thin horns, the Arabian oryx is thought to have inspired early stories of unicorns. (Its two horns appear as one when viewed from the side.) And until

Recent rains attributed to a changing climate are leading to mass extinction in the Atacama Desert.

It seems that you can build just about anything out of wood.

It's why we have to reduce demand as well, with radical efficiency.

If a massive water footprint, air pollution, contaminated drinking water, earthquakes, and general environmental degradation weren't bad enough...r

Here is another reason to hate the Hudson Yards in New York City.

Our photo of the day comes from the Lower Rio Grande Valley in Texas.

Discovered in a cave, the surprising find reveals a fast and giant bird that weighed almost as much as a polar bear.

The reward for information leading to an arrest has climbed to $12,000.

Our photo of the day comes from Akumal, Mexico.

The Carolina parakeet was the only parrot species native to the US; by 1918, we had killed them all. New evidence explains their demise.

It's the usual fight between the contractor who wants to be paid for cost overruns and the developer who claims it's all a fixed price contract.

Common Good was started by Sacha Dunn and her husband Edmund Levine out of their personal desire to have refillable and eco-friendly option when it comes to cleaning supplies.

At least $40 million worth of carbon credits have been stolen in recent weeks from various registries across Europe, in what some are calling a growing black market for carbon credits.The Wall Street Journal explains that there are

How a floating pool could help filter this city's contaminated waters so residents can once again enjoy them.

A Czech church was 3-D mapped and made into a one of a kind musical instrument, controlled by visitors' laser pointers.

The architects call it a "Conceptual Object" but it is pretty and real.

These apex predators play a much bigger role in ecosystems than most people suspect, and their absence causes all kinds of problems that we aren't always able to solve.

Sporting an attractive unibody frame, this meticulously handcrafted wooden bicycle is made to be strong yet flexible.

The inside of this updated caravan is surprisingly chic and comfortable.