Have the leaves started to change yet where you are? Autumn is just around the corner, and the annual burst of color is about to begin!

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.

Photographer Gaston Lacombe's beautiful and heartrending series of photographs of captive animals at zoos across five continents.

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.

45 years ago today, the Apollo 8 astronauts took the photo that some say inspired the environmental movement.

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.

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

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.

It's the season of rampant zucchini and copious cucumbers. People will give them away to you in big paper bags. What to do if you don't relish loaves of zucchini bread?

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

Tandem satellite choreography has mapped the planet to 1-meter accuracy. In addition to amazing images, the data provides a treasure trove to earth scientists

Madison is a city of lakes.

Welcome to New York.

I was walking through the rainforest and saw something odd.

It's my favorite new memory trick.

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

50 years ago today, the Apollo 8 astronauts took the photo that some say inspired the environmental movement.

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

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 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.

A new study suggests Zipcar users are less inclined to look after vehicles, and don't trust their fellow users. What does that mean for collaborative consumption?

Mark Boyle has literally lived without money, so he had more room than most to critique our economy. Now he's formulated a manifesto.

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

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.

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

This is probably the most interesting 3D printed house concept we have seen yet.

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

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.

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.

These are the items that keep my bag light and my life easy.

A British campaign is asking people to pledge not to fly for a year. Good luck trying that in North America.

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

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?

Cars spit out tons of pollution. Luckily there are many ways to reduce your emissions - we've summarized the top tips for you.

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

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

CEO Rose Marcario says the move will show solidarity for the young people who are striking for climate action.

The NYC Department of Education has promised no repercussions for skipping class on September 20.