Sad Anniversary digg_url = 'http://www.treehugger.com/files/2009/12/one-year-later-tva-toxic-coal-ash-spill-tennessee.php';A year ago, a massive coal ash spill took place in Tennessee. About 5.4 million cubic yards of ash ended up in a river and

After a storm hit Tennessee last Sunday and Nashville saw record-shattering rainfall, the Cumberland River swelled to overflowing and the city experienced an epic flood. As soon as it was safe, residents were out

Late last month, when officer Shelley Hammonds of the Tennessee Wildlife Resources Agency received word of an animal in distress, it might have sounded like a routine rescue operation. Witnesses described

The delicately hued petals and striking brown florets of Tennessee's purple coneflower once seemed fated to live on only in description, or as a ghostly sketch yellowing on the page of some dusty botanical volume, yet today it's

It was actually introduced to save fuel, but there have been unintended consequences.

We still have to reduce our carbon emissions.

You can see these magnificent photo portraits of Londoners on a wall or on the web.

I'm hunkered down in Brooklyn waiting for Hurricane Sandy to pass. Curious about what is happening nearby, I'm looking for photos of the flooding. Here's what I've found so far.

Step 1: The idea of a car that runs on compost. Step 2: Implementation of a car that runs on compost. We're half done.

In “fishing” for plastic to create new things, Plastic Whale Circular Furniture tackles a number of problems at once.

Considered too fragile to ever be played again, the recordings have been newly reconstructed ... and they are wonderfully creepy.

Veggie-burger skeptic? Why not meat us halfway?

The fuel cell generates electricity from living plants and could turn green roofs and marshes into power plants.

The tiny fuel cell is long-lasting, low-cost and could power our tablets and smartphones with clean energy.

Virginia Tech researchers figure out how to extract large quantities of hydrogen from any plant which could drive down fuel cell costs.

The groundbreaking technology has gotten even better with the ability to self-heal and produce hydrogen from dirty water.

This small hydrogen fuel cell charger promises a week of clean power for your gadgets. But is it ready for prime time?

Just one more reason for Big Oil and Big Coal to worry.

Oh, the wonderful things that poo can do.

Limits would save lives and significantly reduce carbon emissions, but let's keep our priorities straight.

I've seen way too many friendships destroyed over this simple mistake.

We go through this ridiculous change for no good reason at all, yet it is unhealthy and dangerous.

Retro Report revisits the Flavr Savr, the first genetically engineered food to hit American grocery stores.

While banana farmers watch their plantations get ravaged by a fungal disease, scientists think they may have found a solution.

Alex Weber, 18, has just published a study that analyzes how these balls enter and degrade in the water.

Architects usually keep their proprietary research locked up and closely held. Perkins + Will has done the opposite and made it a public service. Launched at Greenbuild the Precautionary List is a compilation of available data on chemicals and

Just days ago, 19 Asiatic black bears were rescued from an illegal bile farming operation in Vietnam. For six to seven years, the animals were kept

This long, deep house has a wonderful low tech vertical garden that anyone could maintain.

Cities and towns with good public-transit options offer more convenience for residents and are, of course, more environmentally friendly places to live. Now it

On the same day that protesters delivered petitions for better working conditions at Apple suppliers to Apple stores, hackers breached Foxconn security.

The future is mobile as businesses dematerialize and hit the road

In its latest issue, GOOD Magazine has a great feature up on the doings of MIT's D-Lab - they call it "an elite unit of low-tech mercenaries" - which seeks to find simple solutions to drastically improve the quality of

The Statue of Liberty may be a welcome sight to see for many entering the U.S. from around the world, but according to a recent NYC Health Department study, immigrant children are five times as likely as those born in the U.S. to suffer from lead

We know that illegal logging contributed to the devastation caused by last summer's flooding in Pakistan, when up to 20% of the nation was underwater. New research now sheds light on how so much rain fell: A rogue

Energy policy and energy use are not forces of nature beyond our control. It's all about choices; different choices set us off on different paths, but don't prevent us from switching course.

This integrative technology keeps CO2 out of the atmosphere and makes geothermal energy widely available

Still unknown: are the effects due to women drinking more tea than men?

Watch these beautiful Japanese macaques at Wild Snow Monkey Park who have truly mastered the fine art of relaxation.

The map above is the first illustration of worldwide imbalances in the use of phosphorus, a key component of fertilizers and an essential plant nutrient. "Typically, people either worry

Could human urine be used on a commercial scale to fertilize the food we eat?

These delicately formed hand-crank and motor-activated art installations blossom and grow perpetually.

Much to the scepticism of our readers we’ve covered hot rocks at least once or twice before. In a nutshell, it’s a form geothermal energy derived from pumping water kilometres underground where it gets heated enough (by hot rocks!) to then rise back to

According to the Spanish newspaper El País last week, Spain will be the first big buyer of CO2 emission rights from Eastern Europe, in order to fulfil the Kyoto Protocol. In 2007, Spain's emissions had

One designer tackles how the ubiquitous egg carton could be rethought in order to waste less.

When I caught up with Summer Rayne Oakes at a Fashion Delivers event in June, she only briefly mentioned her forthcoming project: Source 4 Style, an online marketing

In case you missed it (and you certainly may have in the midst of other current world affairs) it's Hemp History Week. The second annual one in fact. I imagine most TreeHugger readers don't need much convincing that

A photography fanatic creates beautiful iPhone docks as a homage to old cameras.

Creating romantic, shabby chic dresses to elegant, layered European-inspired pieces, designer Jacquie Tsang transforms boring thrift store clothing into something unique and stylish.

You might not give an outdated wool suit a second look, but these trendy bags make the most of discarded suit fabrics, transforming old into something new and fashionable.

A running shoe made from garbage may not sound like must-have sports equipment, but Adidas wants to illustrate how ocean trash can be turned into something new.