After the House of Representatives approved legislation pushing the Keystone XL forward, the Senate has rejected it.

Transition Towns founder Rob Hopkins sets out what Resilience 2.0 might look like.

A village that was threatened by the expansion of Heathrow Airport in London became home to a squatted community garden. Here's how it happened.

The problem is not too little oil, says a new IEA report, it's too much oil. And it illustrates why activists should not presume to know the future.

The founder of the Transition Movment is out with another book. This time, he takes a global look at how grassroots community efforts may provide a blueprint for systemic, cultural change.

We are often called wet blanket party poopers when it comes to holiday traditions, but maybe we are right.

While the world chases solar generating windows, we see how to do solar generating walls.

The technology makes for better energy generation and a better window.

Pioneering solar house was designed and engineered by women

The fully automated aquaponics system grows lettuces, herbs and small fruits right in your kitchen.

A new proposal for Hong Kong tries to fit people into pipes.

An under-utilized element becomes a bench, a place to eat, nap and store things in this redesigned scheme.

Seven architects have created massive and impressive new structures inside a building from the 1700's.

People are "risking their lives every winter by wearing dark clothing."

The humble avocado pit has been rescued from the compost bin of obscurity and remade into these magical little sculptures.

The plight of the bumblebee is a matter of great concern. Their numbers are declining, some species are on the brink of extinction and colony collapse disorder has spread in the U.S. Albert Einstein may (or may not) have said

Combining elements of natural beekeeping, citizen science, open source hardware, and networked smart devices, these DIY beehives could be a powerful tool in the fight against Colony Collapse Disorder.

TreeHugger asked Andrew Sharpless, CEO for the Oceana ocean protection organization, why we really personally care about the health and fate of the world's big water bodies. Many of us, after all, live far from

Environmental education is playing a bigger role around the globe as we all learn more about our environmental surroundings. As

Conservation efforts, especially in places as renowned as the Galapagos, have something of a reputation. It's developers vs. protesters, consumers vs. conservationists, people

Since its eruption in late August, the Solyndra scandal has been a lightning rod for political and ideological debates over everything from the role of government in business to the debate on global

Cepezed Architects design a shelter that is elegant and self-sufficient.

Apparently kids are meant to be seen and not heard.

...or does this augur the final breakdown of civilization?

Like a gadget from a superhero's gizmo-kit, two engineering students have invented a device to battle blazes with noise – water and toxic chemicals not required.

Spoiler alert: The writer turned out to be a YouTube star.

Contrary to what many people believe, they're not going to charity – just straight to landfill.

Light up your life and your living room with gorgeous lights from the London Design Festival.

It actually seems to say that you can give someone an adjustable desk but you can't make them stand. That's a very different thing.

Just standing isn't enough; you gotta move.

While many cities have programs that turn leftover Christmas Trees into mulch and wood chips, (in NYC they call it Mulchfest, and you can go home with a bag of mulch). But in recent years, other uses such as structural aquatic

Authorities in Ohio are warning residents to remain inside their houses after dozens of exotic animals had apparently broken free of an area wildlife farm and taken to the streets and highways. Police haven't said exactly

Weak regulations mean an extra dose of toxic wastewater for some states, like Ohio.

10 coal plants in Chicago, Ohio, Pennsylvania, and New Jersey will be shut down sooner than expected.

"I was shocked when I saw the tree. It was cut down, the head was lopped off, it was so upsetting," said one Cleveland business-owner.

Quoting directly from the Philadelphia Eagles presser: "The Eagles have contracted with Orlando FL-based SolarBlue, a

Open terrace in Kimmel Center was too hot or too noisy; now it's fixed.

Because shipping containers are designed to move and these ones might have to.

Of all the places to take action on marine litter, this one makes the most sense.

Another look at a controversial housing project.

They actually might in certain cases, using off-peak power at peak times.

Doug Ford, now leading in the polls, wants to open up more of it for development.

Just what we needed in what was a decarbonizing planet.

No green energy issue is too small for the rampaging Premier.

Biologists believe that oil companies are to blame for the recent dolphin deaths.

160 tons of steel and 10 tons of copper never looked so good

There's more than one way to go up in a small space, and this is one smart alternative.

When the splendid full moon rises this weekend, she’ll look a bit bigger and brighter than usual.

Morocco is making good on it's stated goals of increasing renewable energy development, leading towards 40% of electricity from renewables over the next decade.

The war on coal, it seems, may be ongoing, no matter who's in charge in Washington.