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

More on why less is more.

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.

Tesla's new boutique shop on Berlin's famous KuDamm beckons, but where is Germany's national strategy for electric cars?

State regulators have found boron, arsenic, selenium and other toxic metals near 14 power plants, all in excess of state health standards.

World-renowned for their work in Medellin, especially for the Orchid House at the Botanical Garden, Colombian firm Plan B Architects is busy and keeps coming up with great projects.

Bogotá was a pioneer of car-free day. Now, it has decided to one-up that and move to having a car-free week.

A new scientific study could save a whole lot of elephants.

There are lots of good reasons to buy local, but don't worry about the impact of shipping.

As part of an ongoing series about the Maya Ka'an community-based tourism initiative, this was my first official day in the Mayan region, and it was certainly full of adventure.

Don't be in such a hurry! Here's why you should slow down and visit the quirky landmarks that so many small towns have to offer.

You've heard them all before, but it doesn't hurt to be reminded of why these foods are destructive to our planet.

Despite the fact that livestock production contributes more greenhouse gas emissions than the entire transport sector, there is an appalling unwillingness to change eating habits in order to make a difference.

It calls for more support of bikes, walking and transit, banning ICE-powered cars sooner.

It changes everything – how you think about bikes and how you think about cars.

The fashion designer says she doesn't "just chuck stuff into a washing machine because it's been worn."

The People's Choice award went to photographer Jo-Anne McArthur, who took the photo in Cameroon.

Student activism nationwide flies in the face of a recent study claiming young Americans don't care about the environment.

If you love electric cars and you love rankings, this article is for you! The top 10 electric car states have been unveiled, and there are some surprises on the list.

South Carolina health department announces a human rabies case sourced from a bat.

From reproductive rights to voter ID, there have been some battles in North Carolina of late. The environment has not escaped unharmed.

It's more than just a bike; it is a different way of thinking about design and manufacturing.

How to get away from it all while you take it all with you.

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

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

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

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

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

Because not all vacations are created equal.

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

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

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.

This is my last post about my current eco-venture in Barcelona: yök Casa + Cultura. We believe that good tourism is possible thanks to common sense, eco-design and working for People, Planet and Profit.

This Christmas tree by Giles Miller will keep on going, year after year.

Instead of buying a cut tree that gets used once, choosing a potted or burlap-bagged living Christmas tree can yield years of enjoyment.

The age of diesel and petrol cars is ending. It’s time to do the same for fossil fuel heating.

The Convenience Industrial Complex makes it so easy to just keep sipping while you drive.

After an unprecedented delay, the Senate finally voted 59 - 40 to confirm Gina McCarthy as the new administrator of the Environmental Protection Agency.

Download it while you can.

Stay cozy in the knowledge that you're diverting plastic waste and reducing demand for new material.

In London: get rid of cars. In New York: get rid of people.

Analysts say people are chasing affordability.

It's not just about how we build and how we get around; it's also what we eat and wear and buy.

Why can't we do this in North America?

Transportation has a much bigger impact on urban design than we think.

It all comes down to using less of everything.

New products for 'urban skin' are booming, but do they actually work?

These U.S. companies make high quality organic, vegan and cruelty-free products.

What a way to master the arts of carving and design: one a day for a year.