The thin layer of topsoil that covers much of the earth's land surface is the foundation of civilization. As long as soil erosion on cropland does not exceed new soil formation, all is well. But once it does,

U.S. hospitals waste thousands of tons of medical supplies every day. DOC2DOCK collects and redistributes these supplies to match the specific needs of hospitals in the developing world.

Haitian schools connect to the internet for the first time, powered by the sun.

The Toronto designer has created an unprecedented collaboration, weaving together elements of craft production, community development and modern design.

Now you can get your morning coffee fix celebrity-style, thanks to an alliance between Leonardo DiCaprio and LaColumbe coffee -- plus, all proceeds support sustainable initiatives.

Breadfruit trees planted by Trees That Feed Foundation are creating food systems and jobs in Jamaica.

The big question is how well will it be enforced and what alternatives are currently readily available.

How one crowdfunded organization is using earth building techniques to build impressive and durable structures for Haiti.

The peripatetic international designer explains it all in Core77

Three years after a catastrophic earthquake in Haiti, health care workers are still finding it difficult to get medical supplies, but an aid group is putting 3D printing to work to make some of the needed items.

Cornell students and Toronto company figure out how to upcycle old clothes on an industrial scale.

Small-scale solar panels promise many off-grid applications for renewable energy, and the SolarPuff is a particularly elegant example.

The update to the "Red List" illustrates the worldwide crises facing many species around the globe in the face of habitat loss and degradation.

This company proves that plastic waste can be a valuable resource.

We’ve covered numerous tote bags here on TreeHugger, but there are so many cool styles out there we always find the need to post info about new ones that we spot. This one, found at Global Exchange (who we’ve mentioned before) is handcrafted in

You can't help but notice the street kids in Phnom Penh, Cambodia. Some of them, darting through the heavy traffic of tuk-tuks and motos on their hunt for crisp dollar bills, are so young they have yet to learn to talk. Other than scooping them off

We love products that support or revive traditional crafts. Check out, for ex ample, the work of Kallari, fair trade suppliers of traditional Amazonian baskets, which we reported on here. Now we've come across another cool basket supplier, this time

The contents of your bag reveal more about you than you might think, but what about your choice of bag itself? District Cotton, a New York City-based company dedicated to fashion with a conscience, has a couple of sturdy options that are as socially

With a population that approached 1 million and a surface area of more than 115 square miles, the Khmer city of Angkor in Cambodia was the largest preindustrial settlement on the planet. After coming into being during the ninth century A.D., it thrived

Just a quick one on ethanol and Southeast Asia: Chinaview.cn is reporting that Cambodia has opened the nation’s first ethanol production facility. Using cassava as a feedstock, at least initially all of the

"Chatangora" — that's what Simpsonville, South Carolina-based business Catty Shack Creations is calling "cat hair yarn" — used to create affordable, one-of-a-kind handbags from Persian and Angora cat hair. Professional groomer Danelle

Previously unknown species in a relatively undisturbed bioregion of the Mekong River in northeastern Cambodia have been uncovered by a recent study — 24 in total, including a so-called "corpse

Karaoke video explaining not to drink water from wells painted red as they contain high levels of arsenic (YouTube via RDI-Cambodia) For this writer, karaoke has long been thought as an activity to be endured rather than enjoyed (and I am sure I am not

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What could ravers and other all-night clubbers of the world possibly have to do with the increasingly rare Mreah Prew Phnom trees (Cinnamomum parathenoxylon), found in

A few short weeks ago it came out the China had plans in the works to place 20 hydroelectric dams on the upper

Guim Valls Teruel is travelling 5 continents on an electric bicycle to promote the use of cleaner energy and the non-reliance on fossil fuel worldwide. Currently in New Zealand, the Electric Bicycle World Tour has already clogged quite a lot of mileage

For the first time, conservationists from WWF are putting dogs' superb sense of smell on the trail of tigers in Cambodia. Coming from the University of Washington Conservation Canines program, the dogs are trained to sniff out

In 2007, villagers captured a mysterious young woman in a remote region of Cambodia who, by all accounts, was completely isolated from human society, a feral child living in the forests. News of her discovery

There are only an estimated 116 wild Asian elephants in Cambodia's Seima Protection Area, and until now most of the photographic evidence of them has be taken by camera traps. New footage released by the Wildlife Conservation Society changes that. The

Angelina Jolie has inadvertently (or perhaps by design) added "Ambassador for Insect Proteins" to her credentials as a do-gooder. In an interview about her Louis Vuitton ad (you remember, the one

Australian researchers used LIDAR, the aerial laser technology, to rediscover the city of Mahendraparvata in Cambodia.

A community effort in Cambodia’s Cardamom Mountains offers hope for this unique mammal.

Metals from Cambodia's mines, left buried since its civil war, are recycled into elegant jewelry, made by locally trained and fairly paid artisans.

Fast fashion hurts real people, as this online series challenges three unsuspecting youngsters to go meet and work with the people who make their clothes.

Nomi Network helps to provide training and jobs to women in India and Cambodia.

Environment minister called waste importers 'traitors' who don't care about the country's long-term sustainability.

Filters on buses and smog-eating towers are not the answer.

Humanity's innate love for nature is integrated into this design for a biologically attuned and meditative workspace in London.

Doing street improvements for pedestrians and cyclists increases sales by 30 percent. So why aren't cities doing it?

Schools are also fundraising to supply face masks for children.

This experiment may kickstart a new age of microorganism technology.

A child experiencing an asthma attack is admitted to the hospital every 20 minutes.

An object lesson in how not to do city-building.

London Fashion Week was disrupted by protesters who want the industry to declare a climate emergency.

The electric quadracycle is clad in a composite made from hemp and cashews.

Concerns over air pollution have led city officials to crack down on these controversial vehicles.

New trucks will all have much greater visibility for the drivers, saving lives of people who walk and cycle.

Move over royal baby, there's an infant two-toed sloth in town.

This is how you get people out of cars and build better cities. So what's stopping them?