The SolarMill, a 1.2 kW combination wind and solar energy system, will be sold in the U.S. for about $3000.

Scientists are working to harness the secret of owls' silent flights to build quieter wind power technology.

All those cat pictures and viral videos won't harm the Earth.

No turbine blades in sight.

It's a mutually beneficial arrangement. Lush gets luxurious fair-trade cocoa butter, while farmers earn income in a low-risk way, not threatened by violence.

Half a century ago zebras were hunted to extinction in the region, now the area is being rewilded and the zebras are leading the charge.

This contemporary small dwelling has both a main-floor bedroom and a secondary sleeping loft.

Bill Gates take note: It's all in here and It is surprising how little has changed

Another look at what's out there in the world of composting and other alternative toilets

I really don't want to crap all over this new toilet design, but it is too complex, too expensive and no, it won't charge your phone.

Who says loos have to be boring and utilitarian?

If all goes well between now and Halloween, Griffis Sculpture Park in upstate New York will be ready for the occasion with its very own colony of bats, thanks to the artsy "Bat Tower" being built to draw the pest-fighting pollinators to the area.

A young sea turtle found in the Netherlands will be released after a three-year recovery. We also have the search for the "extinct" Javan tiger, Sylvester Stallone's bat cave incident, and more.

Anti-greens often try to make economic arguments against the big spring-cleaning that our civilization is going through.

President Obama’s State of the Union speech takes aim at climate change deniers.

A new way to see inside batteries in real time as they go through charging cycles could help prevent battery fires and increase battery lifespans

As the war on plastics heats up, could the alternatives be worse for sustainability?

No chemicals, synthetics, or gravestones – the goal is to return to the Earth as quickly and subtly as possible.

Is this the thin edge of a much bigger wedge?

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.

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.

But really, they should have seen this coming.

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

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.

What happens when nobody wants to get on an elevator?

An advisory panel says only experienced climbers should be allowed.

Here's one way to tread a bit more lightly while traveling.

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.

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

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.

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

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

This unique travel guide is the perfect book for the eco-conscious non-tourist. It features 111 projects you can visit around Europe, that make our cities better.

Instead of designing it himself, Curro Claret gets people in risk of social exclusion to create and build Camper's shoe store in Barcelona, using reclaimed materials. The result is a fun store with a lot of personality.

I believe we made the right decision in choosing Isonat Flex, made of wood fibres, over mineral wool or cellulose to insulate our low-VOC drywalls. Here's how we made the decision.

Astral Nature has the perfect mattresses: all natural ingredients and locally made just outside Barcelona. However, at yök Casa + Cultura we also needed an eco base. Luckily, Astral made some changes to theirs. The result: green beds, such luxury!

Made from used wooden pallets and a recycled countertop, the kitchens at yök Casa + Cultura in Spain are made to last.

These clever metal clamps can clip onto flat materials of any shape, allowing you to make your own furniture, wherever you go.

The country's ambitious reforestation project has received a surprise influx of laborers, thanks to coronavirus.

Who needs a Disney castle when you could have one of these fairytale tiny homes instead?

The tree that will decorate Rockefeller Center this holiday season was cut down this week - but was it needlessly killed?

A new twist in the ongoing debate over the best Christmas tree: live, natural, artificial, or other?

Every year, the town of Barrydale makes a magnificent tree using upcycled plastic, ribbons, and interactive lighting.

From supporting local farmers to boosting happiness, there are many reasons to use a real conifer in your house.

Juniper is an invasive species that's tough to work with.

It's a problem when nobody wants to touch anything.

But let's not oversell wood construction.