It creates as much CO2 as a million transatlantic flights. Why isn't this a bigger deal?

When cars first began appearing in the late 19th century, some cities moved to ban them -- but there is still one place in the US that has yet to change its mind.

Price is no longer the main obstacle. Lack of understanding might be.

Michael Pollan weighs in on what he calls a "national eating disorder."

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

The GeoSpring hybrid electric water heater is not only super-efficient, it's being made in America at a plant that has lay idle for decades.

"Less is more" is so over; These days the mantra is "too much is never enough."

Turns out, environmental issues are not about awareness. People get it.

We have to decarbonize, not just because of carbon dioxide and climate change in the longer term, but because it is killing us directly right now.

"Being the Change" is proof that weaning oneself off fossil fuels is not only possible, but also joyful and fun for a young suburban family.

President Trump will unleash America's "vast energy wealth." Just watch.

How big of a locavore are you? Could you eat only foods that were available to Native Americans before 1600?

Do international treaties mean anything when America needs fresh water?

We don't hear about the ozone layer as much as we used to anymore, but that doesn't mean that the problem has been solved.

The iconic English office pod can be used for all kinds of things.

This year's Stress in America survey by the American Psychological Association might make you feel not so all alone.

Yesterday I wrote about a mom who was convicted of vehicular homicide after her son was killed by a drunk hit-and-run, because she crossed the street from a bus stop without walking almost half a mile to the traffic light. Today Walkscore has released

Here is an interesting juxtaposition of stories; Kaid Benfield at NRDC Switchboard picks up on a study about how dangerous it is to be a pedestrian in America. He quotes Transportation for America: In the last decade, from 2000 through 2009, more than

There is something contradictory about building a Green Porsche Headquarters at an Aeropolis, but whatever.

Beer cans are lined with the stuff, but hey, thats the price you pay for convenience.

It seems that the only people who benefit from this rule change are the members of the American Chemistry Council who make BPA.

What's in that "polymer lining" in every can? A gender-bending hormone that may be really bad for you.

There is no place for you in a healthy, circular economy, and this is nothing to celebrate

Check out these photos of a surprise 10-mile lake that popped up in Death Valley, California.

Using mouth-blown glass and energy-efficient LEDs, this stunning chandelier looks like a creature from the ocean's depths.

The dorado catfish swims more than 7,200 miles, making it the world champion of freshwater fish migration.

The people of Newtok, Alaska are living a slow-motion disaster that will end, very possibly within the next five years, with the entire village being washed away.

Adapting to climate change is going to affect the lives of every human on Earth. But for some those impacts are hitting a little sooner and a little harder than they are for others.

Libraries were the 'most common cultural activity' for many Americans last year.

A small survey by Bosch shows that U.S. homeowners feel guilty about wasting food, but need to change their habits.

Commonly thought to be a byproduct of economic distress, a new report suggest that dollar stores are a cause of it.

Take a breathtaking 9-minute journey with wildlife photographer Vincent Munier through the beautifully bleak frozen North, you won’t be sorry.

A report from GAIA reveals how old carpets go straight to landfill or get burned because many manufacturers haven't developed closed-loop production.

The agency tried to suppress a major toxicology report on perfluoroalkyl chemicals, but now it's been quietly released online -- with alarming conclusions.

So much for the "sharing economy". North Americans don't like sharing cars or parking spaces.

They have toilets but they just dump the sewage out the back. This is nuts.

Using a series of rotating LED lights, this work highlights the visually transformative powers of the Moon.

Is American consumerism innate, or manufactured?

Here's what to know about Lynx rufus, the solitary wildcat that roams North America.

As we recognize African American History Month, it is important to highlight a lesser known part of this history - the legacy of forest ownership among the black community, and the leaders who are working to preserve it.

Oh, the farmer and the oilman should be friends. But they are fighting over ethanol.

But is that a bad thing?

Select zoos are enticing green families with healthier treats and recycled crafts this Halloween

Of all of Niemeyer's impressive works, the 1960s Copan building in Sao Paulo is the one speaking directly to contemporary urban trends.

So you think you're doing everything you can to improve your home's energy efficiency. And if you haven't done everything you can do personally, both TreeHugger and Planet Green have plenty of tips on how you can get up to

On the Mouzon scale of 1 to 10 for walkability, this intersection gets -10.

Discover the miniature, magical world of tide pools -- and beat the heat -- by heading to North America's coastlines.

A new paper compares eggs, dairy, poultry, beef and pork to determine which has the biggest environmental impact.

Recommendations to eat less meat for environmental reasons won’t be included in the final 2015 dietary guidelines.

And then they yell at cyclists for not following the rules.