Why would an engineer at Apple quit his job to design a product to help gardeners propagate plants?

In which the City requires new buildings to go from 'solar ready' rooftops to solar actual.

So much of what he wrote has relevance today.

Just because garment workers are desperate doesn't mean we should exploit them.

With high energy prices and a whole lot of mosques, Jordan has every incentive to support solar-powered worship.

Stairs are coming out of the closet and becoming the major architectural element, helping keep people active and healthy.

If there's a holy grail of liquid renewable fuels it might look something like this: High yield per acre, doesn't negatively impact water supplies, doesn't compete with food crops, and is cost-competitive with fossil

Here's a one-stop green guide to traveling in San Jose, from hotels to a night on the town.

It wouldn't solve everything, but becoming a solar power hub could give a new spark to the area.

Apple, Google, Amazon and Microsoft have joined together to support Obama's Clean Power Plan as it faces legal opposition.

The app lets kids and adults alike explore, measure and test the world around them.

Attend your own green film fest at home with filmmakers' live Q&A

The USGBC, and their insanely popular rating system LEED, have been on the frontlines of the green building movement for quite a while. Everyone has taken a shot at them at least once. There’s all the talk about how the credits are

Fixing and making feels good, and everyone's doing it, so don't be shy. Experience the Joy of Fix.

Our focus should be on making things last and serve their purpose, not throwing them away.

Image via: LA Citystreets Clark U, Rice University, U Minnesota are all launching bike-sharing programs, along with the City of Minneapolis. Towson University has launched several green transportation programs - sadly no bike sharing, yet. Many of the

By now you've probably heard that adopting a vegetarian diet, or at least cutting way down on you meat consumption, is a great way to reduce your ecological footprint and get some great health benefits at the same time. Now

Chances are that you've never heard of Gene DeSantis, but his story seems one destined for legend. In fact, he's already being likened to a modern-day Johnny Appleseed. For almost three decades, DeSantis has made it his mission

Great cities know the future is renewable.

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

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

The peripatetic international designer explains it all in Core77

The reports are in from last week's "Good Jobs, Green Jobs" conference in Pittsburgh, Pa., and attendees are saying it was a great success. More than 1,100 people attended the Blue Green Alliance conference. People networked, listened to speakers and

PNC Financial Services Group, based in Pittsburgh PA, has built a plant-covered exterior wall, "to make its headquarters building more energy-efficient." Looking like one of those huge billboards seen along an

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

When made from the right materials, buildings can be a solution, not a problem.

Unless, of course, TINA gets in the way.

Anticipation hangs palpably ahead of the Frankfurt International Motor Show: what will German engineers bring to the green table? After bucking the trend for several years in favor of the already well-established "clean diesel" technology, German car

The software gets a facelift, letting users virtually travel the world in even greater detail.

This year, Gandhi's birthday will be marked by a national crackdown on six specific plastic items.

The flying robots will start helping officials to locate lost hikers.

Humans dump millions of tons of phosphorus into lakes every year, and it's destroying their ecosystems.

Mongstad industrial area at night. Photo Tøssekaien via flickr. The Norwegians have been big supporters of carbon capture and storage, and the government helped get the public to go along with building of a gas-fired plant near an existing oil refinery

An exhibition of their work is at the Cooper Hewitt in New York.

Since the Rena, a Liberian ship, ran aground on a reef off the coast of New Zealand 10 days ago, an environmental catastrophe has been brewing. Oil is spilling into the ocean, harming wildlife and reaching shore.

"How are we going to protect it if we don't understand what's at stake?"

When the government furloughed park workers responsible for emptying trash bins, it came as welcome news for bears.

This month, BookHugger presents Hope Is and Imperative by David Orr. Readers can order a discounted copy today and then join a live chat with Orr on May 25 at 3pm Eastern. (NOTE: The chat has been postponed one day and will

This month, BookHugger presents The Death and Life of Monterey Bay by Stephen R. Palumbi and Carolyn Sotka. Readers can order a discounted copy today to get ready for the live chat with the authors on June 13 at 3pm

This month, BookHugger presents The Death and Life of Monterey Bay by Stephen R. Palumbi and Carolyn Sotka. Readers can order a discounted copy today and then join a live chat with the

This month, BookHugger presents The Agile City by James S. Russell. Readers can order a discounted copy today and watch a recording of the live discussion above.

This month, BookHugger presents Ideas That Matter: The Worlds of Jane Jacobs edited by Max Allen with an introduction by Mary Rowe. Readers can order a discounted copy today and join in a discussion with distinguished urban

Author Peter Gleick joins TreeHugger for a live chat about the story behind bottled water and what it means for our culture and environment.

Whether urban, suburban, or rural, transportation systems dictate and define human interaction and community. Join BookHugger for a panel discussion of this phenomena.

Becker's latest work is not only a how-to guide, but an invitation to reevaluate all aspects of your life.

An ambitious couple set out to travel from Washington to the Alaskan Arctic, off the beaten track and under their own power.

Anthropologist David Graeber thinks we could do without half our jobs.

It remains to be seen how green (or not) new Pope Francis aka Jorge Mario Bergoglio will be, but this photo of him riding the subway in Buenos Aires, Argentina, certainly makes a good ad for public transportation.

Showing other cities around the world how it's done.

This is a truly seismic change, and may mean some big changes in the oil sands and pipeline debates.