While some teenagers spend their time mulling over which sports team to root for or pop-star to obsess over, others are up to more important things -- like working to save endangered species. Sure, it's a long way from the

With 58 straight days (and counting) of unhealthy air, officials are urging some to stay inside.

In the north, a lot of people burn wood all year round, but even a single fire is worse than smoking cigarettes.

Skylight manufacturer Velux says we need more light and fresh air.

Mountains of discarded materials sourced from refugees' boats and lifejackets will be transformed into bags -- by asylum seekers themselves, for a decent wage.

Luxury fashion designer Balenciaga has released a Italian leather version of IKEA's iconic utilitarian shopping bag, leading one to assume the world has lost its mind.

These planners don't stop at scheduling; they'll help you smash your goals for 2018.

These intricately redone antique pocket watches and other timepieces feature scenes inspired by fairytales and steampunk.

Take a thermographic tour of my house to see why.

Ryan North points out that unlike most games, this one is lethal

You don't need to spend money to play Chinese checkers, especially if you've got vengeance in your heart.

The sharing economy is getting more and more attention, but laws drawn up for traditional business don't always adapt well to informal sharing or collaborative consumption.

The sharing economy is built on reputation. So is online social gaming. Now the two are coming together.

Patagonia's Worn Wear events, held in collaboration with sharing start up Yerdle, offer a different, more sustainable vision of Black Friday.

It talks a lot about cycling, but notes that we don't do nearly enough about walking.

Studies prove these myths aren't true but nobody is listening.

That's an alternate name for Halloween, but let's not forget the rest of the year.

A new 'eco tax' will raise money for less polluting modes of transportation.

It could move goods, transport hydrogen, reduce CO2 and water the lawn all at once.

The French consider AC to be unhealthy. Will they change their minds in the face of a changing climate?

Most glass buildings are a problem, but just banning them is the wrong solution.

Even Amnesty International is weighing in about the way the Alberta government is going after environmentalists.

In a word, yes. We don't have to buy what they're selling.

From adorable baby sea turtles to lamps made of cow dung and 600-mile bike trips, it's been a wild ride.

Tesla's new boutique shop on Berlin's famous KuDamm beckons, but where is Germany's national strategy for electric cars?

Things of Intrinsic Worth is a feature-length documentary which focuses on the ways coal mining is harming the livelihoods of Montana ranchers.

A roundup of our Blankenship coverage over the years, and what led up to this tragedy and this indictment.

But this is probably not the last we will hear from him.

A giant wave of pollution glop in 2008 convinced the EPA to regulate coal dumps more closely. But the Trump administration is changing that.

Done with that pencil? Sink it in the soil for a second life.

It's been a long time coming. Was it worth the wait?

Record breaking extreme weather isn't just plaguing the Midwest: Colombia has had 5-6 times more rainfall than usual for the past ten months--which has killed 425 people so far, covered 1 million hectares with water, and left 3 million people as what

Moving 1.7 People Every Single Day!This is how bus rapid transit (BRT) should be! TransMilenio's 104 stations allow the citizens of Bogota (in Colombia) to get to work, move around the city, run errands... All of that very conveniently and quickly -

Chiquita Bananas becomes the latest major brand to avoid tar sands fuel. But will it really help?

This vertical garden on a residential high-rise in Bogotá reuses greywater from its residents and helps to clean the air.

A 297-acre property in rural northern Colombia will become the first and only reserve for the conservation of the Dahl’s toad-headed turtle.

Every little flower helps. Especially when there's a lot of us planting them.

One of the rarest insects in the world, the Wallace’s giant bee, has been found in Indonesia.

But not so fast, says the Mayor.

Could you live on a One Tonne Diet?

What's the best approach for dealing with this?

Katherine and Margaret share their tips for green travel.

From Hobbit holes to treehouses, these unique Airbnb havens promise a storybook escape.

Americans work way too long and too hard.

From geo-domes in Finland and treehouses in France to safari tents in the Washington woods, these glamorous camping spots promise some wintry wonderland adventure.

Beef Products Inc took its best shot at making up for its silence during weeks of public lashing over what has been dubbed “pink slime,” an additive in ground beef made through a high-tech process that BPI invented.

A relatively new test detected horse meat in European hamburger. We wonder: how do they test this? Could it happen in America? What happens to all the recalled food?

Muscle-meat grown in a laboratory is no longer in the realm of science fiction, except for the price of an 'all-beef' patty.

But assuming that lower-income citizens are content to eat cheeseburgers definitely is.

A new study shows that if we want to stop climate change, meat and dairy are off the table -- at least in the quantities we currently consume.