Transform your empty beer, wine and liquor bottles into lamps, bird feeders, shelving units, wind chimes - even a solar water heater or a house.

This tiny caravan is half a century old, but it is helping to spread a thoroughly modern message about alternative energy and environmental stewardship.

These 12 concepts for cities, multi-use skyscrapers, theme parks and more look out of this world - but surprisingly, a few will be built sooner than you think.

Earth-friendly design and clean energy drive this concept for an innovative bridge in Italy which may be able to provide clean power for up to 15,000 homes.

These 7 amazing weather-predicting animals offer us more insight into weather's whimsy than Phil Connors on a good day. Now for today's fur-cast...

Green travel doesn't always mean roughing it. These 12 luxurious eco resorts offer all the perks of a pampering getaway in an environmentally responsible manner.

The world's largest landfill - located on the notoriously smelly Staten Island - is being rehabbed into an incredible 2,200-acre public park.

After humankind abandons the buildings and cities we have constructed, nature will take over rapidly. This art series imagines just what that will look like.

Emilio Marcos Palma laughs at those claiming to be from the Deep South. Born at Argentina's Esperanza Base, Palma lays claim to be the first native Antarctican.

Noodles in Thailand, falafel in Israel, tacos in Mexico, crab in Singapore and crepes in Paris - street food in these 10 cities is cheap, quick & oh-so-tasty.

Streets and bike paths criss-cross the world, but what if they could do double duty? By putting solar cells into our roads, we could create cheap clean energy.

At these 13 eco resorts, you'll get up close and personal with nature in treetop pods, floating lodges, huts on stilts and primitive grassy shelters.

Photographing Earth from above, Yann Arthus-Bertrand reveals stunning vistas, with breathtaking symmetry and color.

These 10 fantastic frozen waterfalls show what happens when Mother Nature decides to take a snapshot of her most moving creations.

Sit down with your laptop, have a mocha, use the free wi-fi and spend as long as you like: at these coworking space/cafe hybrids, you're encouraged to work.