Electric cars are the darlings of the green technology futurists. But wait, cries a receding voice, "what about the environmental impact of all those batteries?" Until recently, that lurking uncertainty shadowed the

It's time to take David Cain's advice and "talk like we used to."

There is a man dressed in a silver lamé suit jumping about with extraordinary energy in a wind blown field in West Wales. His name is Steve Edge and his motto in life is:

When huge volcanoes erupt, sending ash miles into the atmosphere and shutting down air travel for entire continents, the world can't help but take notice. Yet everyday, around the planet, smaller displays of geothermal force take place. Sometimes, it's f

When huge volcanoes erupt, sending ash miles into the atmosphere and shutting down air travel for entire continents, the world can't help but take notice.

This new design might be the nail in the coffin of geothermal heat pump systems.

These flowery sculptures seem to grow and flourish, out of repurposed dead animal skulls.

You will find your ikigai at the intersection of what you are good at and what you love doing.

This Japanese approach to managing household spending may be over 100 years old, but it's as relevant as ever.

In which I try to clear up some misconceptions.

Or is it a missed opportunity?

Take a bike ride around Portland and see a burgeoning pot business that isn't paying much attention yet to its energy-hogging, pesticide-loving roots.

This couple have found a balance between financial security and freedom, by renting out their house, living out of their renovated garage, and traveling in their van conversion.

A brush with death helped this family focus on the most important things in life, prompting them to convert a bus into a DIY motorhome.

Who says you have to wait till New Year's to make a fresh start? No time's better than back-to-school season.

I knew that real-time data on our energy use would be interesting. But I wasn't sure how much it would actually save us.

Darwin made a smart choice when he picked Galapagos as the place to develop his theory of natural selection: This group of islands has some of the most incredible species in the world. Earlier this month, a star-studded group of adventurers with the Missi

A star-studded group of adventurers with the Mission Blue oceans conservation group went on a trip to the Galapagos earlier this month. But the true stars of the show were the incredible species endemic to the islands: many

The stunning new marine preserve surrounding the Galápagos will be off-limits for fishing in a bid to conserve its unique habitat.

Switching from fossil fuel powered cars could save 45,000 lives per year and on its own almost solve climate change

The best ideas aren't always the most expensive ones.

Authorities in Ohio are warning residents to remain inside their houses after dozens of exotic animals had apparently broken free of an area wildlife farm and taken to the streets and highways. Police haven't said exactly

Not only did he have a startlingly brilliant brain for physics, but Stephen Hawking had a pretty good knack for life as well.

Scientists think there is a hidden, protected ocean inside of Pluto – and the implications are wild.

A new report calls for international collaboration to fight the crime organizations behind the illegal trade in wood and wildlife.

No more plastic bags means a return to old-fashioned ways of packaging and carrying goods -- not necessarily a bad thing!

On Monday, a molasses pipeline (yes, that's a thing!) leaked 1,400 tons -- 233,000 gallons -- of molasses into Hawaii's Honolulu Harbor and it has turned into a killer mess with no quick solution.

Help Treehugger founder Graham Hill design his compact, off grid, energy positive compound in Maui.

Since before he started TreeHugger, Graham Hill has delivered the same message: sustainability can be beautiful and fun.

The number of wolves alone around Chernobyl is more than 7 times greater than can be found in other nature reserves.

Earlier research found evidence of a wildlife wonderland at the disaster site, now the first camera study validates an abundance of wolves, boars, foxes and more.

In the 30+ years since the disaster zone was evacuated, rare and endangered animals are flourishing.

We've written about e-paper here and while the idea seems nifty, it's hard not to think that improving online readers might be the best option rather than adding another electronic gadget to the overladen waste stream. But in a new study from the

We are at the end of our LostGen2 quest for the world's best city

The husband and wife have spent 25 years buying up wasteland farmers no longer wanted; now elephants, tigers and leopards roam free there.

Photo credit: William Hook via Flickr/Creative Commons

If we're going to push lifestyle change as a strategy, how we manage our money is one of the most important topics of all.

When Copenhagen failed in 2010, he denounced the failure.

With one in 3 cases of dementia preventable, a sweeping new report identifies modifiable factors in early, mid- and late life that make a difference

From helping with dementia to prehypertension and chronic pain, these lifestyle changes could help you hop off the medication merry-go-round.

The UK organization wants schools to incorporate that time into their daily curriculum.

Aiming to raise awareness about e-waste recycling, this photographer used 4,100 pounds of e-waste in these futuristic scenes.

Could it be that green living is making a comeback?

The proposal for redeveloping Toronto's waterfront into a green, sustainable, urban tech hub is controversial.

From scooters to cargo bikes, a bunch of alternatives to driving that car.

It's not rocket science, it's building science, and it's all here.

Fixing and making feels good, and everyone's doing it, so don't be shy. Experience the Joy of Fix.

Many users replace their smartphones every couple of years, even though they have years of life left in them. Here's how to keep your smartphone for longer while keeping up its performance.

There are only an estimated 116 wild Asian elephants in Cambodia's Seima Protection Area, and until now most of the photographic evidence of them has be taken by camera traps. New footage released by the Wildlife Conservation Society changes that. The

If 10 percent of Americans adopted these 7 changes, we could cut total domestic emissions by 8 percent in 6 years.