A new study from Pew Research is totally depressing, showing how left and right are moving further apart.

It's the election cycle, and Agenda 21 has become an issue.

Adam Sternbergh finds that bag bans are a symbol of something much bigger.

Not to mention bike lanes, higher density housing, and bird sanctuaries.

Is this the thin edge of a much bigger wedge?

And yelling profanities in the process.

Why can't we all just get along? New campaign humanizes cyclists.

The new digital billboards taking over our cities bring a whole new set of problems. That's why we need these orgs.

Ecotricity's collapsing cooling towers return. This time, they're tapping into popular anger over utility profits.

Americans don't walk and stop and cafés or take vacations. That's why they get to drive $75,000 plug-in hybrids.

During this year's extremely cold winter full of ice storms and the effects of a polar vortex, moments of warmth between strangers are created in a bus shelter.

If this is what advertisers do to promote electric and hybrid cars, I may just go buy a TV.

What if advertisements on billboards were replaced with old masters--it almost happened in Paris.

Sometimes it is hard to know what these companies are really telling us.

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.

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?

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.

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

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.

This year, we should resolve to walk more. It will keep you healthier and happier.

I can't wait for this exciting new world of urban mobility.

It's actually rather elegant and understated for the Danish superstar.

Activists everywhere were outraged by their latest public service message.

Got a froggy "city throat"? It might be from metal particles emitted from braking cars and trucks.

As scooters and e-bikes proliferate, we need a place to put them.

But don't think that it is the only thing that keeps construction workers safe.

Why stop there? Helmets for everybody!

These lockable aluminum panniers might be the answer to my prayers.

An advisory panel says only experienced climbers should be allowed.

Craving an outdoor getaway? These sites make booking a campsite as easy as possible.

It's another nail in the coffin for these monstrous purveyors of industrial tourism.

This is what happens when a solo wilderness explorer, who also happens to be a professional photographer, creates a book about nature.

The trick is to get comfortable asking one question.

Because not all vacations are created equal.

Canadian writer Kate Harris describes an epic 10-month bicycle tour across Asia.

Fernweh Food Co. packages its plant-based, dehydrated food in glass jars and muslin bags.

It would weed out the people who just want a picture from those who actually want to see a famous site.

If you can't travel in real life, try to see the world through the pages of a book.

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.

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.

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

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

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

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

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.