The 'Spatzenfavela' ('favela' for sparrows) provides a home for birds that have lost their city nests and roosts due to urban renewal.

Dig out those old da Vinci drawings of winged flying machines, as he was really on to something!

This should take the wind out of the "all turbines are evil" crowd's sails.

When a bird charity installs a wind turbine, they're going to do it right.

The Echo Meter can detect, record and identify the sounds of bats nearby.

Tiny houses aren't just for people; bats can be comfy and warm in them too.

Did you know that Bat Week takes place every year, October 24–31? The time is set aside to raise awareness of the many contributions that bats make to the planet and encourage conservation of bat species.

Geothermal is a stable & plentiful source of clean energy available all around the world, including in the United States (especially in the West). But that industry is still in its infancy and very little of that resource's potential is being tapped.

While in Mongolia for World Environment Day, I toured the Salkhit Wind Farm.

From Gasland II to Dirty Business, some of the most active environmental documentary makers in the country are joining forces to build a movement.

Scientists at the National Ignition Facility (NIF) achieve a major breakthrough on the path to the dream of fusion as a clean energy source

Brazil's economy is growing fast, and it is expected to need an increase of 50% in power generation capacity over the next decade.

Why Greens Should Support the Fight for Economic and Racial Justice

The holidays are a time of joy, happiness, families and... waste? Estimates show that almost 25% of waste produced in the US comes from the six weeks between Thanksgiving and New Years. But we can change that, starting now.

Once again, one has to parse the data to get the real story.

Rob Cotter used to build expensive sports cars. Now he makes vehicles that are much, much cooler.

A new "eco-city" being planned for Turkey will use waste pistachio shells for heating public and private buildings.

As alternatives to Big Oil and Big Coal emerge, it would be a mistake for executives to rely on loyalty or love from the public.

Internet sensation Reggie Watts takes aim at Twitter and Amazon for Greenpeace's #ClickClean campaign, urging them to step up their clean energy game.

The ENGO charging station uses kinetic tiles and solar panels to charge up to 14 smartphones at a time, and provides free WiFi access and an emergency phone.

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.

Yesterday, U.S. President Barack Obama and Indian Prime Minister Narendra Modi announced a deal to work together against climate change.

Most reports suggest a gradual increase in renewable energy. But don't believe the anti-hype.

I'll say it again, renewables are taking off much faster than anyone expected.

Using digital fabrication, moss and clay, this designer's "moss voltaics" would use these hardy plants to transform sunlight into electricity.

For the first time, developing countries outpaced wealthier nations in green energy development.

The Nature Conservancy’s new research shows New Yorkers want to take action against climate change.

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

In his new climate change documentary, DiCaprio opts for caution and polite concern at a time when outrage is desperately needed.

This 5W thermoelectric generator converts heat from a chimney or camp stove into electricity for charging USB devices.

It used to be so easy to make fun of this group we described as "hopelessly out of touch."

The floating tidal stream turbine off the coast of Scotland has proven that it can produce power safely and cheaply year round.

Famed chef Magnus Nilsson will be serving dinner for three days in Åre, Sweden … 4,200 feet in the air.

Trudeau doesn't seem to understand what 'climate emergency' means.

We also have to start retiring what we already have and replacing it with cleaner power plants, furnaces and vehicles. Now.

iGEM team encourages 'materials activists' to build their own biodegradable drones with downloadable do-it-yourself plans.

Is this the future of food -- eating mushrooms that have been fed with plastic waste?

Molded out of plant-based bioplastics and sitting on a wooden base, this curvaceous piece combines traditional craftsmanship and new industrial design.

From the 'I wish I had thought of that' department, these all-natural straws are grown, not made from plastic, and could be a greener way to slurp your smoothie.

Here's a new take on disposable tableware: these are made from discarded food.

Researchers at Stanford found a way to speed up the process of breaking down Styrofoam and other types of polystyrene, with help from mealworms.

Several companies now make biodegradable chewing gum that's free from synthetic polymers -- healthier for both humans and Earth.

The thin, skin-like electronics may usher in a future of earth-friendly gadgets.

They're not as green as they seem.

But even more exciting than its edibility is the Lolistraw's hyper-compostability.

Perhaps more importantly, it's also giving customers the option of refusing such sachets in the first place.

Crafted from sustainably harvested cork in Portugal, these stunning mats will take your yoga practice to new eco-friendly heights.

Circular Systems' innovative technology promises to transform food waste fibers into wearable fabric.

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