Only in America are they hard to find. How does that happen?

Carbon dioxide continues as the main concern, but we ignore methane at our own risk

Asian carp, meet your worst nightmare. Not poison. Not an electric barrier, or a predator from your native land. No, this is good ol' American ingenuity. With a touch of Ted Nugent, or maybe Chuck Norris. People dressed in spiked body armor with

Do international treaties mean anything when America needs fresh water?

More than 90 percent of weather stations studied showed the climate was warming, a percentage too high to purely be from natural climate variability, say researchers

The source of Antarctica's eerie blood red falls has baffled scientists for more than a century; now new secrets have been revealed.

This is the "guns don't kill people, people kill people" defense.

And researchers estimate there's another 3 trillion pieces in surface sediments.

Some places have looked at paying people to recycle, but others think it makes more sense to charge people for their waste instead. When the UK talked about implementing a "pay-as-you-throw" scheme for trash, our readers were

Paper Age reports that "total printing-writing paper shipments decreased 6.4% in August compared to August 2010." Burrowing in, Fortress Specialty Cellulose echos the

Eating seaweed is healthy, but how is it harvested? For one Maine seaweed harvester, the job is a meditation on life.

American organic farmer Eliot Coleman explains how his innovative winter gardening methods work, allowing growers to harvest veggies year-round.

Despite needing to pay a hefty tuition bill this fall, Hannah Rousey refused to take money from Poland Spring Bottling Co., a subsidiary of Nestlé.

It's another national monument established by Obama and threatened by Trump.

For Arbor Day, learn how to show damaged trees the love they deserve.

Cigarette filters are a scam and are a leading source of plastic pollution worldwide, say experts.

37 species under national protection have been observed in the Ziwuling area, thanks to massive reforestation efforts.

This experiment may kickstart a new age of microorganism technology.

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

Ways to spend the day for those who'd like to skip the whole 'bloodsport of mass consumerism' thing.

Solar control, security, privacy and ventilation, all in one clever device – why don't more buildings still have shutters?

Treehugger has noted before how one can generate electricity from algae; Now Designboom shows a lamp designed by Mike Thompson that uses the principle. Place the lamp outside and the algae generates electricity during

On land, a fierce dust storm blots out any sign of life. But offshore, these banes of desert-dwellers' existence can be providers of life in what might otherwise be empty waters,

These stunning underwater organisms offer an ethereal beauty hard to reproduce on land.

The ocean is full of uncharted territory -- and of breathtaking natural wonders that look like they'd be more at home on Pandora than in the blue depths just off the beach where you spent your summer vacation. These stunning underwater plants offer an

This fascinating installation where algae, bioluminescent bacteria, humans and smartphones interact may chart where a new generation of urban "cyber-gardeners" may go.

This one of a kind structure combines architecture, technology, algae farming and real-time data, and will dynamically respond to environmental factors like weather and movements of people.

Is this company getting closer to the dream of making truly sustainable carbon-negative fuel?

Bloom hoovers up harmful algae overgrowth from waterways and turns it into a flexible foam that can replace some petroleum-based products.

Our photo of the day reminds us of the importance of sea otters.

We have long called for deposits on everything. California shows that even that is not enough.

Once you start buying fennel, you won't be able to stop.

Bristol, UK, just keeps on popping up on Treehugger. Most recently we talked about the potentially ground breaking Transition City Bristol initiative, a community lead process to plan for peak oil, but as we noted then, it doesn’t end there. It’s also

A slippery art installation in Bristol, England, reminds us that streets are not just for cars.

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

There is something contradictory about building a Green Porsche Headquarters at an Aeropolis, but whatever.

It's summertime, and the living is easy, and we are talking about air conditioning.

The Substitution Support Portal SUBSPORT launched this week, intending to give business improved tools for substituting hazardous chemicals with safer substitutes.

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

Researchers have found that lignin, a compound found in wood, could replace BPA in plastics.

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.

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,

Cooling a data center in one of the hottest parts of the USA can be done by using hot water, as eBay's Phoenix facility finds.

When you've got a lot of driveway runoff, some careful landscaping can put it to good use.

Imagine millions of these slithering out from the mud? The eggs of this alien desert crustacean remain dormant for years, waiting for a bout of rain to hatch.

Some 200 bald eagles are scavenging the goods at Cedar Hills Regional Landfill and dumping the leftovers in suburban backyards.

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