On some days, wind generated as much as 234% of demand.

Every country everywhere should be doing this.

One would think this would be obvious, that sidewalks are for people, not cars.

Instead of turning sunlight into electricity, and then using that to power indoor lighting, Lucy redirects the daylight into rooms for effective natural illumination.

Another large-sized solar charger and battery system is about to hit the market, as an off-grid solar generator in a briefcase.

These pictures from the Sun Trip 2018 race prove the only limit is imagination. Congratulations to Sun Trip race winner Raf van Hulle (tech spec of his bike below).

They really didn't have a choice, and they insulated their bodies, not their houses.

It simply doesn't recognize that some e-bikes are just bikes with a boost, and is unfair to older or disabled riders, or long distance commuters.

The bin-sized device would turn household waste into fuel for heating hot water.

When even so-called experts don't know the difference, you must admit we have a problem here.

It's a smart thermostat for hydronic heating systems and is not such a dumb idea.

Over the past few years journalists and commentators have denounced bottled water as an environmental evil. I can count myself as one of those after my article about the greenhouse gas emissions from producing and transporting one bottle of Fiji water

Get set for cool, wet weather with this high-quality footwear.

A group called Remake wants fast fashion to fall out of fashion, by revealing underprivileged garment workers to the world.

Eighty percent of garment workers are young women between 18 and 24. They are overworked, underpaid, and abused. That's where the real female empowerment needs to start.

Knowing how many hours go into every shirt or pair of jeans should influence shoppers' opinion of the price tag.

This bowl-like, double-roof design helps to collect rainwater before it evaporates, and also provides more shade for buildings in arid regions.

There is a whole new line of furniture that you can build, just like the toy.

And it is all held together with sex bolts.

Our photo of the day shows Mother Nature's flair for drama.

TreeHugger has been a fan of photographer Ed Burtynsky's work for a long time. We first spotted it here and have enjoyed watching him branch out into film with "Manufactured Landscapes", which was recently released in the US and the UK after debuting

Edward Burtynsky's collection called Water documents the role water plays in ecosystems, energy, cultural practices and disasters.

Activists get one firm to agree to stop clearing Indonesian forests for paper plantations.

Polar bears re-brand a Shell refinery in Denmark.

Join the DETOX campaign to pressure the fashion industry to stop exposing our kids to hazardous chemicals and contaminating waterways.

The San Francisco Giants won the 2012 World Series, but this gardener doesn't seem to care.

You just have to look at the parking ratios to know they are environmental disaster areas.

Think bike lanes cost too much? Let's put it into a little perspective.

San Francisco readers can now find local and green clothes at Amour Vert’s new shop in Hayes Valley.

This looks like a long-needed solution to one of the key barriers to electric vehicle adoption, and I can hardly contain my excitement.

Pick up your Marbles and go home

Finally, fire departments are buying equipment designed for the city instead of designing the city to fit the equipment.

It's time to take back the streets from all the cars and make room for alternative modes of transportation.

The nations once renowned for their way of eating now have the highest childhood obesity rates in Europe.

Science has shown over and over again that bar soap does not transmit infection. It is a powerful, plastic-free, and cheap disease-fighting tool.

Neti pots are useful for flushing out clogged sinuses, but it's important to do it the right way.

Traveling exhibit in Turkey prompts audiences to put on their 'climate glasses' and see how floods, fires, and drought in the country are all connected.

The source of 70 percent of New Delhi's water, the Yamuna River is filthy with sewage and garbage, but people are now being drawn to its banks by a new art exhibit that seeks to raise awareness about the river's plight.

Celebrated English painter David Hockney has turned to the iPad as his canvas -- embracing the latest technology despite his age.

"Brains: The Mind as Matter" at the Wellcome Collection features 150 objects including real brains, anatomical models and artworks, and more.

Pop-up gardens, urban farms, guerrilla bike lanes, examples of crowdsourced city planning, and other urban interventions will be the focus of the official U.S. Pavilion at the world's most prestigious architecture event.

A new exhibition in Toronto looks at sustainable development.

It's the most prestigious photography prize (and best paid) and here's this year's winner.

Stein may have gotten only 0.3% of the national vote, but that's actually a huge increase over what Greens have gotten in the past two elections.

Tim had planned on working at a Salt Lake City Unitarian church doing social outreach. That is, until the Federal Bureau of Prisons decided that wasn't a "safe" occupation for the climate activist.

Last Saturday's Marathon Oil refinery explosion and fire was yet another dangerous, polluting event in a string of environmental injustices to plague the residents of the 48217 zip code in Detroit

Residents in North Omaha want clean energy, not the coal pollution they're getting now.

Environmental initiatives are integral to addressing the "tale of two cities" that Mayor de Blasio campaigned on.

Chemical companies, pharmaceutical manufacturers, and the industrial waste industry are exempt from a law requiring companies handling hazardous waste to protect public health and the environment - and vulnerable communities are at risk.

Mere days after the murder of celebrity activist Berta Cáceres, a fellow member of her group was shot and killed for his participation in the same environmental group.