What to do about all that CO2 emitted when you make cement? Inject it back into the stuff and turn it back into limestone.

It's a mix of evaporative cooling and phase change that takes the temperature down 30 degrees celsius. But does it really work?

To highlight the accelerating disappearance of Arctic sea ice, this man plans to survive alone on a melting iceberg for up to one year.

But really, they should have seen this coming.

This app gives free ad space to deserving charities and NGOs on one of our tech-centric culture's most common screens - our smartphone lock screens.

Shoppers like to think they're in control of their own food decisions, but there's actually a complex web of manipulations between supermarkets and food processors going on behind the scenes.

Robin Shreeves of MNN gets it right in this silly discussion.

I've done it, you've done it, we've all done it. But why do we do it?

But when you think about it, it is a bit disingenuous to put this message on a digital billboard.

A Florida craft brewery is now offering its six-packs with these biodegradable, compostable and edible packing rings that are made with wheat and barley.

Unlike TV, the online world has no limits when it comes to advertising junk food to children and teens. This needs to change.

It already exists, is on the roads, and has its own flashy commerical

WARNING: Driving cars kills. Should companies be able to market them as speedy, sexy objects of desire?

The mayor has cracked down on images portraying unhealthy food, in hopes that it will reduce child obesity rates.

Celebrate Earth Hour Saturday night at 8:30 and start a movement to end this visual assault.

Finally, talking about lifestyle changes and using less instead of buying more green stuff.

A damning report says children face two main threats globally, and most nations are failing to address these.

Michael Thiele is 'rewilding' honeybees in California, returning them to more natural nest environments in order to help them survive.

Public transportation, while maybe not as enjoyable as commuting in your own personal vehicle, does ease congestion, reduce emissions. Need more convincing? Here's more info about public transportation.

It could be a lot more than you think, especially if you take the long view...

Once a rail artery feeding Manhattan's core, the High Line was eventually abandoned only to be reborn as an immaginative and inspiring public space.

Greg Lavardera throws another spanner in the works with a rant about the batts

It took four years, one million spiders, and 80 people in Madagascar to make this cape, on view at London's V&A Museum -- and the color is natural.

It is my favourite part of the Interior Design Show, the corner of the floor where all the young new designers get to strut their stuff.

Even multi-millionaire pro-basketball players can ride bikes to commute to work!

Spread the love with flower seed bombs, Mexican dark chocolate fondue, reclaimed housewares, organic textiles, and more.

Fossil fuel company executives and D.C. politicians have long worked together to ensure coal and oil prices stay low enough to keep Americans hooked. Here's how we can break the addiction.

With this clever new trend, you can take your herb garden for a spin, create a grass mohawk in the spokes, and more.

Mush! Dog sledding vacations are wilderness travel that’s part arctic nostalgia and part Inuit homage, resulting in a unique way to see snowy countryside.

Her new book Before the Lights Go Out investigates strategies for conquering the energy crisis before it conquers us.

Every bit of technical knowhow needed to make heavy truck transport electric (and reduce carbon emissions from transportation) is already available.

Check out the live feed of the Future Tense conference, Feeding the World While the Earth Cooks.

British born artist Nick Gentry transforms obsolete technology, such as VHS tapes, cassettes and floppy disks into amazing and haunting pieces.

Need a bicycle basket that is even handier than the classic wicker thing? The Bent Basket covers a variety of carrying needs.

You know bikes are good. City planners know bikes are good. Yet as soon as cities are successful in getting people biking, a horrible catch-22 is set in motion.

Yes, it's nice to ride unencumbered, wind in your hair, etc. It's also great to bring it all with you - from your honeybees to your honeybunch.

From commuting to cocktails, the new collection from Nau offers sexy, versatile, and ever-so-practical looks.

Yes, it's National Bike Month. What's even better - it's National Bike Year, and Maybe National Bike Decade. Here's Three Ways to Up Your Cycling Enjoyment

We're heading to Rio for World Environment Day. Here's a sneak peek at what's happening in Rio de Janeiro this week.

A student project transforms bicycle wheels into rolling animation -- magic ensues.

Leading a coalition of investment institutions which managed to include a paragraph on the need for sustainable reporting, Dr. Waygood says this small text can make a difference.

It usually doesn't pay to bet against Elon Musk. He's not only brilliant and he never gives up, but he's also shown great insight into technological trends.

Norwegian engineering students debut an electric motorcycle made from carbon fiber. They say it will be fast, cheap, and get 100 kilometers to a charge.

Agenda 21 crazies, poison plastic people and hey, some green buildings and furniture!

This Brazilian designer who worked with the Campana Brothers wants you to see tough objects in a different light.

Who knew that old rope could have such a dignified second life?

Seniors residence so green and attractive that the government and nonprofits should jump up and say "We built it!"

The Toyota RAV4 EV is finally coming!

Created around 1900 in France for the World Exhibition in Paris, these predictions for the future didn’t actually turn out as expected.

This Barcelona garden is about as simple as it comes. Only it's 70 feet high.