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.

Could "sharespray" transform our entire future? A light hearted take on the new sharing economy.

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

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.

Have you ever wondered what 'community living' really looks like, and why people do it?

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

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.

The number of people flying between German cities has dropped 12 percent.

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?

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

The world is getting hotter. But if we need AC, we have to use it sparingly.

Some people have to work, but they can still show solidarity.

We are out supporting the kids today; back to our regularly scheduled programming tomorrow.

The 16-year-old climate activist holds nothing back when addressing the UN Climate Action Summit – this speech shows why she is having such an impact.

The public wants to see activists practicing what they preach.

Beware of the gilets jaunes, says Philip Stephens.

It's no longer safe for groups of people to gather in public places.

A building that once housed a Jewish girls' school, shut down by the Nazis, is now home to a fashionable restaurant.

Robert Llewellyn explores Berlin's high tech systems for car sharing in an urban environment. He thinks he may have seen the future of mobility.

Shipping Containers are used as giant blocks to build a giant steel party room

Why hide your bike away when you can put it on display?

Taking the category and best in show prizes will help Efficient City Farming get the funding to grow!

The public has cast their votes, and if the winner is any indication, there are some angry bikers tired of fighting the battle for clean transportation.

This is a housing form that we should be building a lot more of.

It can take hours before test results clue authorities about hazards in water supplies. The AquaBioTox uses biological sensors for immediate feedback.

If you dream of testing the limits of solar powered mobility, but don't have the DIY gene, here is someone who can help

Just pick a scooter, drive it, then park it. Someone else takes care of the charging.

It is a strange and wonderful experience where you don't know what's around the corner.

A town is prevented from creating regulations stricter than the state's rules, despite residents' concerns about groundwater contamination.

If you are sick and tired of being optimistic, I have the perfect thing for you, a No Globe snow globe. The tchotchke is a one of a kind--kinda. Only two were made and only one is left to purchase, so act quickly.

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

Accidents happen. But when they involve toxic chemicals and combustible substances, those accidents can cost a fortune.

In advance of EPA's coal ash standards, a mother of four talks about her family's health problems due to nearby coal ash ponds.

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

A 24-year-old food scientist at the University of Copenhagen has developed a prototype that could potentially save millions of lives.

How urban waste management is wising up.

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

The bamboo palettes and compacts have minor flaws that, in a way, make them even more special.

Perfect for small spaces and aiming at the less-is-more approach, Rubix is a transformer-furniture set that can be both a living room lounge and a dinning room set up. Designed by Colombian firm DosUno Design, the set

Do you know how much of the so-called green or cool architecture is often for expensive hotels, government or office buildings? Well, in this case, it's the complete opposite.

Colombian tropical town Villanueva's popular library is an example of non pretentious architecture gone right. Projected by Alejandro Piñol, Germán Ramírez, Miguel Torres and Carlos Meza, it was built with local materials and

Between 1999 and 2004, there was one death a year due to the falling of trees or branches in Colombia's capital city, Bogota.