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

We spend 90 percent of our time indoors. We should worry more about what we are breathing there.

A new study finds that ultra-fine particles increase the risk of brain cancer.

An eye-opening report reveals how low-grade plastics are burned as fuel, poisoning the surrounding soil and air.

These graceful, nature-inspired wall clocks are a timely delight to look at throughout the day.

Woodzee founder opens a factory in his own hometown, to make wooden sunglasses from recycled materials.

It's boxy, aluminum exterior hides a cushy bed, and a convenient galley kitchen -- all powered by the sun.

This electrically powered prototype will be great for getting you to the market, and carting stuff back home.

Welcome to the world of planner mania! Here you will discover the hottest planners on the market. If only we could use every single one...

Plastic pollution in our oceans is a big deal. These designers went out and collected some to create this surprising collection of items that look quite luxurious.

Using a customized printer, these designers combined new technology with low sounds to create this modern collection of ceramics.

This versatile accessory keeps your infant close to your body, or it can become a cradle or rocker to be placed on a flat surface.

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

These lovely packs are made from upycled waste materials, biodegradable natural fabrics, recycled polyester, and more.

Perfect for small city apartments, this system allows you to use a variety of add-on components to build your own indoor garden.

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.

Add some pizzazz to your hairdo with these fun, colorful accessories, all made in USA.

Built to last using sustainably sourced materials, Awake offers luxury-brand quality at a reasonable price point.

A coastal grizzly bear pauses in its fishing efforts to pose for a group of photographers watching nearby.

The things nature does to sand and rock are amazing. You may think this is an alien planet with bizarre stone houses for extraterrestrials, but no, this is New Mexico in all its mind-blowing glory.

Five tons of ivory was crushed earlier this year in Manila at the wildlife bureau compound, in an effort to change it's image as one of the world's hotspots for illegal ivory trading.

If you are tired ot dragging home a live tree and having it shed its pine needles through your home as it dies, look no further. All this tree takes is your love, and the books from your bookshelf.

Take a thermographic tour of my house to see why.

A before and after photo of Lexington Avenue tells the story.

We have shown so many photos of shark fins drying on the roofs of Hong Kong; here's the ground floor.

For consumers, biodegradable and compostable products have mostly been a bust. Still, it is good news that the swiss company Freitag has succeeded making jeans that will break down on commercial compost piles.

A hilarious remix of a classic image demonstrates that the new high-tech alternatives are not solving every problem.

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

Welcome to New York.

Something my friend told me the other day made me rethink the plastic straw debate.

Could sharing more be central to achieving the Right's biggest dream?

The sharing economy is built more on convenience and the desire to save money than a mission to save the world. But does that matter?

Zipcar has made car sharing cool, but it doesn't always need a fancy business model. Sometimes you can just share with your neighbor.

With all the talk of the "sharing economy", are we in danger of losing sight of the bigger picture? Sharing is caring after all.

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

Global Sharing Day is coming up. Share your garden and knowledge to create a healthy, sustainable community.

Basalt Regional Library in Colorado is combining the best of both a traditional public library and the ever more popular seed library.

As Seattle welcomes yet another tool library, there are bigger picture lessons to be learned about the value of sharing.

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

At first this smart lock seemed like gimmicky over-engineering. Then I got thinking about the possibilities.

By encouraging neighbors to share skills and cooperate, time banks can build strong communities and a vibrant informal economy.

A collective wardrobe spares resources, reduces clutter, and provides a steady stream of fabulous outfits. It's win-win all around.

Getting people out of cars and rebuilding our main streets is not going to be easy, and cannot be oversimplified.

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

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

It makes sense in Europe. Too bad North Americans have so few alternatives.

They incentivize air travel at a time when people should be flying less.

We usually just talk about the plane, but it is a lot bigger than that.

The director of Celtic Connections questions the ethics of bringing in foreign artists to perform.

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