Demand for lithium is growing very rapidly thanks to portable electronics and electric vehicles. What if we could get a lot of lithium cheaply, without building new mines?

Is it a geothermal system or a ground source heat pump? Yes.

Can panda poo prevent cancer? We also have sad rhino news, fish lawnmowers, and more.

A mug of herbal tea a day may keep the doctor away!

Craving the perfect cup of tea on a chilly morning? Here are some companies with ethical business practices worth supporting.

These popular hot beverages inhabit places of honor in our homes, apparently for very good reasons.

Promoting the gift economy and community resiliency, this man has been traveling the country for the last decade, offering free cups of tea out of his bus home.

Her latest publication is every parent's dream come true -- an attempt to get teens to declutter.

This quiet retreat has an interesting interior of overlapping layers that welcomes the outdoors in.

No Japanese minimalism here.

In this case, the HORSE is a 'living' machine, not an animal, and has the potential to reinvent the food cycle.

From the freshest possible eggs to rich compost to pets with personality, keeping backyard chickens would be a fun and educational foray in urban agriculture.

Peter Rickaby says he has "never been more optimistic about the possibility of change," but it will require some radical action.

You are not just buying a box but a full service design/build package. Could this take container architecture mainstream?

There's no 'turning into a pumpkin at midnight' because the pumpkin is where it's at!

Or is it a missed opportunity?

Passive House multifamily buildings use almost no energy and don't cost much more than conventional buildings. They should be everywhere.

This week is all about climate change and its myriad ripple effects. Melting Arctic ice has opened up an international controversy over deep-sea land rights, and Russia will now make a bold move by planting its flag 14,000 feet below the surface. New

A state of emergency has been declared in Hungary where four people are dead, 120 injured and six missing as torrents of red toxic sludge, the byproduct of bauxite refining for aluminum, burst from a containment pond and poured through six villages in

Stand Up (On Your Bike) And Be Counted I've already written about Copenhagen's cyclist counter a while ago. I still think it's a great idea, not only to count cyclists, but as a subtle tool to show the strength of the local bike community and to add a

Standard washing machines use a lot of water to get rid of a small amount of dirt. One startup is aiming to close that loop by reusing the wastewater.

The electricity-free and low-water Drumi device could be one method of washing clothes without taking a huge toll on the environment.

You don't need to tumble-dry clothes at this time of year. Here's why you should take your laundry outside to hang-dry in the warm sunshine.

The Care Label Project will add a label to thousands of clothes in hopes that people will adopt laundry habits that are better for both fabric and the Earth.

This all-natural DIY solution to dirty kicks went viral on Twitter ... for good reason!

Even though your clothes may dry into odd shapes, they're still drying out there – and you're saving energy and money.

What is radon? Is your home in a high risk zone? How can you test for radon? What should you do if radon levels are high? We answer your questions for radon awareness month.

And they even claim it's green.

This year of all years, we should stand up and fight the climate change trolls.

But could it be the ugliest house we have ever shown on TreeHugger?

Inspired by the human-based Modulor system of proportion, this small Madrid apartment is defined by a series of wooden alcoves that hold different daily functions.

Most hot dog carts are ugly and utilitarian. This one's not.

They are so thin that it's hard to believe that they stand up.

Using modular components pre-made in a factory, this modern home is airy, light and adaptable.

This small space renovation turns a cramped space into one that has space for almost everything.

A few days ago we asked you, readers, what you thought of Live Earth. All in all there seemed to have been some great response to the 7/7/07 concert and today a press release was issued with some impressive numbers: - More Than 8 Million Viewers

We're hoping that you've been following the newly launched Planet Green, the first ever 24-7 TV channel dedicated to green living. With more than 200 hours of original green lifestyle programming, Planet Green is a fresh conversation about what it

No plans this weekend? Why not Start a Sea Change? Planet Green’s non-profit partner, the Ocean Conservancy, hosts their 23rd annual International Coastal Cleanup

Luxury by its very definition means indulgence--while eco-consciousness, such as that employed by Scandic in its moderately-priced hotel chain, is more likely to mean slashing consumption.

Photo via I Watch Stuff Leonardo DiCaprio is already a favorite with eco-minded like gals, like myself! Now the next generation are digging Leo and his big green heart. This Saturdays Nickelodeon's Kids' Choice Awards will honor the actor/activist with

Ok, so this isn't a true green item. But, kudo's to my favorite eco-celeb, Leonardo DiCaprio for his consistent give-back spirit. Leo and Kate Winslet returned to their Titanic roots to help out the ship's one remaining

From sexy Leo's mega donation to tigers to Kevin Costner's surprise knowledge of oil clean-up technology, celebrities were on fire this year. There were a few mistakes, however....such as NBC's "Tonight Show" debacle, which sent a barely used set to landf

Bottlenose dolphins have close bonds that last for years based on common interests.

Don't mistake the ugly, coarse, scratchy hemp of the hippie era with the hemp of today: From catwalks to the office, this once-fringe fabric made of rapidly renewable material is geared for world domination. And it can be found in just about

Timely but not fleeting, flouncy but not frilly, unique but not unwearable, clever but never over the top -- Mr. Larkin's Spring 2010 collection was everything green fashion should be. A relative newcomer on the eco-scene, the

A couple of years ago, I made the New Year's resolution that my new clothing purchases would be limited to green garments. With the quality and selection of ">green fashion that's become available recently, it's been a promise

Snoop Dogg publishes eco-friendly, promotional book of lyrics to his chart-topping hits that you can smoke.

I wrote my first TreeHugger post more than seven years ago. Since then, there's been a lot of water under the bridge. Here are some of the many highlights.

Last week, California joined Oregon and Washington in signing a pact with British Columbia called the Pacific Coast Action Plan on Climate and Energy, which forms an alliance to set shared fuel standards and mandates for cutting carbon emissions.

David Milarch is on a quest to save California's coast redwoods, some of the world's oldest and largest living things; he may be saving the planet along the way.