Walmart has been in the sustainability spotlight over the last few years, both for implementing its own efficiency measures and for raising the bar for industry at large. Some view these initiatives with skepticism because the

Can hotels be 100% eco-friendly and affordable? I tried out Starwood's Element Hotel in NYC to find out how far a 411-room urban hotel can go green. The result is mostly positive with a few letdowns.

Name calling is so much fun. Maryland State Senator Richard Colburn, R-Cambridge, thought he was having some at our expense when he characterized

When I wrote about Robert Llewellyn's solar car charging in rainy England, commenters noted that solar at home is unlikely to benefit most car drivers, as they will typically charge overnight. Situations will obviously vary

Designer Matt Kovaleski integrates a solar power system into a picnic table setup for workers at Vice

Hawaiian engineers think that it can address many of the world's problems. Are they too ambitious?

As subsidy-free renewables proliferate, it will become harder to derail decarbonization.

TreeHugger didn't show many of the proposals for housing in Haiti, like Andrés Duany's proposals for a flatpack design (here in Jetson Green); We have spent too much time with Cameron Sinclair, who says "Top down solutions will

The thin layer of topsoil that covers much of the earth's land surface is the foundation of civilization. As long as soil erosion on cropland does not exceed new soil formation, all is well. But once it does,

Haitian schools connect to the internet for the first time, powered by the sun.

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

The peripatetic international designer explains it all in Core77

Small-scale solar panels promise many off-grid applications for renewable energy, and the SolarPuff is a particularly elegant example.

Number of storms predicted per year during the period 1854 -- 2006 versus numbers actually observed for the Atlantic (filled diamonds). The model predictions (grey curve) have been normalized to the data. A quadratic fit to the model is shown for

Megan McArdle at the Atlantic piles on the Infographic debate, " issuing a plea to bloggers to help stop this plague in its track."

You a runner? Or an exercise-oholic? And you want your workouts to reflect your green lifestyle? Well, the race is ON or at least for me and a few friends to find the best performing green running equipment.

Managing a sugar bush is a win-win situation for all involved.

It's a more environmentally-friendly way to dispose of a body than burning or burying.

The show gets a lot right about climate change, Al Gore and Manbearpig, but it misses something major about human nature.

Governments aren't paying attention to scientific research, but maybe crime will get people's attention.

There are only an estimated 116 wild Asian elephants in Cambodia's Seima Protection Area, and until now most of the photographic evidence of them has be taken by camera traps. New footage released by the Wildlife Conservation Society changes that. The

Nomi Network helps to provide training and jobs to women in India and Cambodia.

They may sound progressively eco-friendly, but a new Greenpeace report explains why they're not.

Leed is for wimps; the Living Building Challenge really pushes the building envelope.

The future of green building depends on what comes out of our soil.

The KISS principle applies to everything, including building design.

Everybody knows that change is happening, but thanks to the fossil fuel economy, we are all having such a good time.

"No justification can be possible for this nonsense."

Duke Energy Corp. is reportedly discussing with BMW Manufacturing Co. the potential for building a solar energy plant at the car company's Spartanburg South Carolina USA facility. Well, isn't that a German sort of response to US government pressure?

No "do the bright thing" for cars; instead, the BMW X6 designed to "look particularly menacing."

For as long as our planet has spun 'round the sun, there's been solar energy cascading down on the earth, and, for a long time -- since the 7th century B.C., when glass was used to magnify it -- humans have been working to

Love to accessorize, but want to stay green? Here are some ways you can do both.

Reducing your carbon footprint and building community go hand-in-hand toward creating a better planet.

Resolve to make these simple changes month by month as a graceful way to ease into a more sustainable lifestyle.

The competition is looking for new ideas for capturing the emissions from fossil fuels and turning them into something useful instead of harmful.

The latest UN report on sustainable development reads like the TreeHugger archive, in terms of sustainable development solutions.

Everyone is worried about population growth, but in fact it may well be going the other way.

Matt Ridley might be right about the world not ending on December 21 this year. But the rest of the article is delusional.

The number is probably far higher than you think.

Pollinator power, y'all.

The Bay Area needs affordable housing. And it needs clean energy. A new campaign supports both.

Move over, regular solar panels.

Buying products from solar farms is just one more way to support clean energy.

Now that's progress...

Home owners are going solar, without having to put anything on their roof.

Stanford scientists figure out a way to get hydrogen out of seawater. Does this matter?

Sometimes we should just let a bad idea die.

Summer and winter, they are round rms w vu

A lot of websites are saying so, but there is no evidence that it ever happened.

Domes are tough. Here is a design that tries to make them comfortable. Does it live up to its billing?