In July of 2007, the East Coast was slammed by a record-setting heat wave. From New York City to Washington, DC, temperatures averaged above 90 degrees Fahrenheit, causing more than 40 deaths.

Left: Ozone in Earth's stratosphere at an altitude of approximately 12 miles (20 kilometers) in mid-March 2011, near the peak of the 2011 Arctic ozone loss. Right: chlorine monoxide - the primary agent of chemical ozone destruction in the cold polar

While preservation of the planet's dwindling biodiversity itself has rightly grabbed the headlines at the ongoing Convention on Biological Diversity in Japan, Science Insider points out an important geoengineering

Kevin Kelly explains why the complex interconnectedness of modern technology and society makes disaster relief and system change so challenging.

The Vancouver architect is famous for "tall wood" but still has a knack for little good wood buildings too.

Ahead of the U.N. climate negotiations in Paris, hundreds of marches were held around the world to call for strong climate action.

The Searaser takes a novel approach to wave energy generation. New owners Ecotricity - pioneers of wind power in Britain - are aiming for mass deployment in the next five years.

Wave power is a promising source of clean energy, but it is usually overlooked because wind and solar power are farther along.

These sand "castles" are not your usual holiday beach creations.

From a $50,000 portable recycled house to a tiny green egg house for Chinese students, TreeHugger has already offered plenty of posts that prove that green living doesn't have to mean high-end LEED certified luxury.

Late last month, when officer Shelley Hammonds of the Tennessee Wildlife Resources Agency received word of an animal in distress, it might have sounded like a routine rescue operation. Witnesses described

This modern take on the gabled farmhouse includes lots of clever space-saving ideas.

The Architecture Foundation of British Columbia issues a challenge: Design a four-person home made entirely of materials from a 100-mile radius around Vancouver.

Citizen persistence at measuring and publicizing pollution levels results in a major turnaround by Beijing.

TreeHugger goes on and on (and on) about why design matters; here, legendary designer Philippe Stark gives us his own captivating take on the topic at TED in March 2007.

If there's one thing that can't be said of Elon Musk, it's that he doesn't try his best. Few entrepreneurs succeed in just one of the many difficult fields that he's tackled, but it's almost unprecedented to see a single person attack on so many fronts.

For the next 3 years, residents of Sweden are getting a serious incentive to get on an e-bike, as the country is setting aside about €35 million per year to subsidize their purchase.

The chemical is used in rockets and munitions. Priorities!

Researchers have used abundant and inexpensive materials to create a tandem solar cell that can store solar energy as hydrogen for use at any time of day.

Virginia Tech researchers figure out how to extract large quantities of hydrogen from any plant which could drive down fuel cell costs.

The real competition for green tech is not other green tech, but the old, dirty incumbents.

It's not all about numbers, really there's more.

We hear a lot about plastics breaking down at sea, but scientists are discovering that a shocking quantity of plastic enters the ocean already in microscopic form.

OK, affordable might be a bit of an overstatement, unless you're one of the richer tree huggers out there. We've told you before about Mercedes-Benz's hybrid S400,

He is one of Asia's emerging architects, famous for building stunning, affordable and durable buildings out of bamboo.

Referencing traditional terraced agriculture, this modern house with terraces has an integrated rainwater collection and irrigation system that would allow it to grow greenery.

The Solar Training Network will work to build a diverse, qualified solar workforce to meet the needs of the solar revolution.

Our photo of the day comes from northern Illinois.

Demand for lithium is growing very rapidly thanks to portable electronics and electric vehicles. What if we could get a lot of lithium cheaply, without building new mines?

Chocolate, tea and more goodies partner with Fair Trade USA which expands farming programs and experiences record sales.

Could human urine be used on a commercial scale to fertilize the food we eat?

You are not just buying a box but a full service design/build package. Could this take container architecture mainstream?

This week is all about climate change and its myriad ripple effects. Melting Arctic ice has opened up an international controversy over deep-sea land rights, and Russia will now make a bold move by planting its flag 14,000 feet below the surface. New

A cost-benefit analysis seems appropriate for any major regulation -- but at what point in the process?

And they even claim it's green.

In this eye-popping example of adaptive reuse, a crumbling church is remade into a public skatepark, complete with incredible murals.

Good Guy Leo strikes again!

When I caught up with Summer Rayne Oakes at a Fashion Delivers event in June, she only briefly mentioned her forthcoming project: Source 4 Style, an online marketing

Mat McDermott, now writing at Motherboard, has an interview with Vermont Representative Teo Zagar about about the progress that state has made in moving towards commercial hemp production.

Equipped with two bedrooms and a secondary loft, there's plenty of space to grow in this small home.

No more elephant or lion acts. Those are now a thing of the past.

A new study has found that the air pollution from Alberta's massive tar sands operations is putting the health of downwind residents at risk by releasing unsafe levels of carcinogenic and toxic chemicals into the air.

Tar sands and thermal coal are out but natural gas and conventional oil can stay. For now...

In the grand scheme of things, $5.9 million is not a huge amount to take from fossil fuels. But when you reinvest in renewables...

Aedas designs a railway station like a hill you can walk on.

It would be a good way to further broaden the appeal of electric vehicles.

This digitally fabricated project revives a traditional material with new building technologies.

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

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

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