The New York subway, The Los Angeles Metro, and more ranked by someone who travels a lot but never drives.

Fitwel is all about healthy living, and it's going to be big.

This is what a linear economy looks like when it is broken.

A modest proposal

We are still befuddled by technology but bumble along.

On this National Walking Day, a look at the excuses cities use to make it difficult to do so.

It doesn't have to be all about politics.

And things feel eerily familiar today.

Another look back at some great designs for inexpensive homes.

The private car has dominated our design dreaming for a hundred years; no wonder it is so hard to break the habit.

Boxy But Beautiful designs have been around for a long time, and there is a real logic to them.

And God bless the one-third of Americans who actually believe in natural selection.

On March 22, 1922, the discovery of insulin was announced. Here's what happened after.

This is very good news. So much so that it might soon stop being news.

Britain has already made great progress in decarbonizing the grid. It looks like there's more to come.

The Viking Grace was already low emission. Now it's going further.

The fall of coal has been swift in Britain, and there's no sign of it ever coming back.

What a difference a decade makes.

And profits will go to giving land back to nature.

I can't imagine anyone doing an ad like this for coal.

Even if you factor in offshoring of jobs and industry, emissions are way, way down.

Our photo of the day comes from the vibrant hills of California.

Our beautiful photo of the day comes from snowy Calgary, Canada.

Our photo of the day comes from Kananaskis, Canada.

You have to examine the reasons for why the clutter happened in the first place.

We're loving the move toward quasi-edible ingredients, plastic-free packaging, and refill pouches, among other things.

Facebook just opened their newest data center, which they've pushed to make as energy efficient as possible. In fact, it even inspired the Open Compute project in which they open source every last detail about the data

Pacific Gas & Electric, a California-based utility, has been plagued with issues during their major push to get smart meters installed in every household in their area, from complaints about possible health

On Caltech's campus, student engineers and scientists are busy in labs day and night working on hairy solar panels, termite

It's an icon that has been part of our lives forever... The electricity pylon was invented, in this design, in the '20's and since then it has been marching across the fields and highways of our mind

The Sierra Club is pointing attention to the once-through cooling systems used by many power plants. Power plants suck up over 200 billion gallons of water a day, and with that water comes millions of fish that don't exactly

It's no secret that there are vast concerns in major utility companies operating a large smart grid connected to household smart meters that charge consumers a variable rate based on

Among music festivals, Bonnaroo is the juggernaut, and this year is was bigger than ever with 80,000 people descending on Manchester, Tennessee. One of the innumerable artists to preside over the festival's many stages (which included sitting in with My

One of the most venerated scientists of our time, James Hansen is the head of NASA's Goddard Institute for Space Studies, a position he's held for three decades. Long before climate change was a household term, Hansen was one of the first to talk about

In case you're still among the set doubting if the smart grid is really necessary, Earth2Tech has a solid post explaining how record heat (something that is going to happen a lot more often, unfortunately) is a prime example of how the smart grid can

After seven years in government, seven years in non-profits, and seven years in business, Michel Gelobter jokes that he's headed for the clergy next. And why not? He's led Redefining Progress, been a professor at Rutgers, and run environmental quality

Burbank Water & Power opens a sustainable power plant campus as a model for re-adapting industrial sites from water reclamation to solar

California state regulators voted that PG&E customers can opt-out of smart meter installations, but they'll have to pay a fine and a monthly fee.

Popular anger at profiteering energy utilities is high. One wind-power pioneer is hoping to harness that sentiment with a funny viral video.

It seems counterintuitive. Is it just greenwashing? Is it due to government regulation? Let's find out.

When asked what he'd do if he was entering the industry today, Jim Rogers had some very revealing things to say.

Environmentalists aren't the only ones considering divestment anymore.

Many clean tech wonks have never heard of them, but Alevo plans to be manufacturing grid-scale energy storage on a huge scale within the next few years.

In the future, we'll be buying energy from utilities that look very different than what we are used to.

A new study says it's a case of out of sight, out of mind, but it has serious consequences.

Should we care where our electrons come from?

Are the tables finally starting to turn?

The number of people using alternative mobility devices is exploding, and they will be demanding safe routes.

Here is an interesting buisness idea; grow butterflies to let fly at special ocasions and at the same time help the enviornment as well as people with special needs. The project is called Mariposeando (Spanish for something

With Valentine's Day around the corner, now's the time to invest in thongs, sweet babydoll sets, ruffled knickers, and more -- in sustainable materials from organic cotton to soy.