The first hydrogen fuel cell powered train in the UK was successfully tested last week, and the team behind it hopes to encourage further development by the rail industry.

The fuel cell is part of Microsoft's Data Plant project to build a zero carbon data center.

The Redox Power System will use technology to produce energy more efficiently for far less money.

Last week at CES in Las Vegas, Toyota revealed the FCV concept car for the fuel cell vehicle they will be making available next year. I had a chance to see the concept this week at the Detroit Auto Show.

They are not efficient, there is no infrastructure, and they are shills for the fossil fuel industry.

The versatile, two-dimensional medium of paper is reconstructed into art that pops off the page.

Customers pay €1 for a reusable cup that can be returned to any participating business in the city center.

Author Sara Zaske shows that it all comes down to respecting a child's right to independence.

Other cities might consider it to reduce congestion too.

We have to rebuild our cities to use less energy and house more people, and Passivhaus design is a useful tool for both problems.

As Barbara Hendricks leaves the Environment Ministry, we look at the success of meatless meetings in a country with a strong meat culture

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

This proposed home for a young family incorporates an efficient roof garden.

This company is working to build a network of urban prefabs under a 'pay-as-you-go' model of home ownership.

This furniture designer's stealth van conversion has been created as a "test lab" for mobile, "democratic" small space design.

Annie Leonard is having an incredible run with her short documentary The Story of Stuff. The film still gets 10,000 views per day and has already reached 7.3 million people over the 22 months since it was released. The film

Electric cars are the darlings of the green technology futurists. But wait, cries a receding voice, "what about the environmental impact of all those batteries?" Until recently, that lurking uncertainty shadowed the

Amid a media flurry starring a displaced polar bear and an easy-breathing Lance Armstrong, Nissan has become the unlikely leader as it delivers a mass-produced, affordable electric car. The Leaf is now arriving in the driveways of eager customers, and

This lovely looking Victorian house in west London seems deceptively straightforward except for a tiny plaque on the front door. It notes that this is the second house in the UK to reach PassivHaus standards. And that is no mean

Today, Levi’s released a new Life Cycle Assessment for their jeans as part of an effort to promote more sustainable water usage.

"Has the global food system been irrevocably hijacked?" One filmmaker asks and begins to answer this frightening question.

In a lawsuit settlement today, General Mills agreed to remove the “100% Natural” from more than 20 of its products.

This afternoon, the U.S. House of Representatives voted in favor of a controversial bill that seeks to set a unified standard for the labeling of foods containing genetically modified organisms.

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.

For almost 30 years the Council has been fighting against regulation that would limit balloons for environmental reasons.

Photo: Michael Graham Richard. Click to see 2010 Toyota Prius Slideshow.2010 Toyota^ Prius Hybrid: Hello WorldAfter some not too suspenseful waiting, here it is. The official debut of the 3rd generation Toyota Prius hybrid! You can see tons of

Vinyl man (pictured) may be disappointed. "The hundreds of thousands of lunch boxes given away by California state health officials over the last several years were designed to promote healthful habits, bearing slogans such as "Eat Fruits & Vegetables

Sam Suds and the Case of PVC The entire life cycle of PVC is an issue of environmental justice and racism. Many PVC plants are located near poor and communities of color. These facilities have poisoned workers and fence-line neighbors, polluted the

I have been reading two books at once, which is something one shouldn't do, as thoughts about each blend together. One is a dreadful screed by Andrew Keen called "The Cult of the Amateur," decrying the fact that bloggers are "amateurs without formal

The US Consumer Products Safety Commission (CPSC), under pressure to lessen childhood exposure to lead in toys and clothing, has set a deadline of early February 2009. That's

In March, 2005 John Laumer wrote a defense of vinyl windows: Look Out Any Window; in March , 2006 I suggested that he was wrong in A Year Ago in TreeHugger: A Defence of Vinyl. In March,

Stickers can be fun, but how eco-friendly is this new craze for decorating walls? We have found two brands that claim their vinyls to be eco-chic, and some even come with decorative eco-reminders; very clever! Hu2 in the UK has just

Steven M. Johnson beats a whole lot of TreeHugger posts to the punch.

Why turn your car into a living room when it can also be a kitchen?

In one cartoon he solves a long list of issues that have kept it from going mainstream.

It's reminiscent of some other crackpot ideas from the seventies.

Steven M. Johnson shows how the well-equipped mobile worker got around twenty-five years ago.

Work/life balance is over-rated anyway.

And Steven M. Johnson has the answer to the problem.

Once again our favorite visionary was ahead of his time.

And the Seattle housing shortage problem at the same time.

We have been showing these for years, but the artist/inventor beats us to the punch again

Our favorite cartoonist solves a major problem with tiny houses.

Here is a great way to keep out the sun and plant a vertical garden

It looks more like a temple than a bar.

This long, deep house has a wonderful low tech vertical garden that anyone could maintain.

Our favorite Vietnamese architect builds a giant wall of white planters... again.

Once again testing the limits of bamboo as an eco-friendly material for large buildings, Vietnamese architect Vo Trong Nghia constructs this striking structure near the city of Da Nang.

Strong and lightweight bamboo features prominently in this beautiful renovation of a rooftop cafe.

This series of structures in Vietnam use bamboo and modern design tools and techniques to make a statement.