Wal-Mart has agreed to help US taxpayers take climate action. Over the next two years, they are sending energy audit teams to 20 State Capitol complexes to help save taxpayers money and help the environment...while the Federal Government equivocates

In the north, a lot of people burn wood all year round, but even a single fire is worse than smoking cigarettes.

Built to last using sustainably sourced materials, Awake offers luxury-brand quality at a reasonable price point.

We have shown so many photos of shark fins drying on the roofs of Hong Kong; here's the ground floor.

A huge trove of posters from the WPA is full of messages that still resonate. And brush your teeth!

A hilarious remix of a classic image demonstrates that the new high-tech alternatives are not solving every problem.

Something my friend told me the other day made me rethink the plastic straw debate.

Shipping Containers are used as giant blocks to build a giant steel party room

Researchers concluded that the spill probably doesn't pose a significant environmental risk, but the ash contained heavy metals like arsenic, lead and mercury.

“The dangerous conditions behind the Kingston disaster were not isolated."

High Fashion from roadkill? We also have an art installation that sent Estonians into the trees, egg nog pancakes, the year in gingerbread design, and more.

Filipino activists had been charged with trespassing in December 2009 to document toxic coal ash.

A roundup of our Blankenship coverage over the years, and what led up to this tragedy and this indictment.

But this is probably not the last we will hear from him.

Colombian tropical town Villanueva's popular library is an example of non pretentious architecture gone right. Projected by Alejandro Piñol, Germán Ramírez, Miguel Torres and Carlos Meza, it was built with local materials and

Medellin, Colombia: This city's name used to strike fear in peoples' hearts. In the 80s and early 90s, it was known as the drug capital of the world and the most violent city on the planet.But Medellin has come a tremendous distance in less than a decad

Medellin, Colombia: This city's name used to strike fear in peoples' hearts. In the 80s and early 90s, it was known as the drug capital of the world and the most violent city on the planet.

Moving 1.7 People Every Single Day!This is how bus rapid transit (BRT) should be! TransMilenio's 104 stations allow the citizens of Bogota (in Colombia) to get to work, move around the city, run errands... All of that very conveniently and quickly -

In this open source design project, Dos Uno shares cool, easy to make designs for chairs, tables and shelves using cheap readily available materials.

In a pretty self-explanatory piece, Bogota-based Unodot studio executes a simple useful idea for small spaces.

Medellín has a great sustainable transportation vision for the future, and so far they seem to be executing it extremely well.

Our commenters helped determine that the species of this cool tropical flower is Kohleria affinis.

North American bees are at risk of disappearing thanks to severe habitat loss and increasing pesticide use, among other threats, new report reveals.

Boring old bee hives get exciting with these curly shaped structures, built by bees that don't sting.

Whether the Great Recession is over or permanent, Americans seem to want more from a vacation than staying home. Biking is a beautiful way to vacation.

But regardless of what green initiatives they implement, tourists must be willing to change, too.

No more excuses! Book that time off and feel guiltless while doing so, since you'll be a better partner, parent, and employee as a result.

From geo-domes in Finland and treehouses in France to safari tents in the Washington woods, these glamorous camping spots promise some wintry wonderland adventure.

Confirming what previous studies have shown, new research from the Union of Concerned Scientists shows that the main threats to tropical forests are no longer from

Beef Products Inc took its best shot at making up for its silence during weeks of public lashing over what has been dubbed “pink slime,” an additive in ground beef made through a high-tech process that BPI invented.

The suit, brought in South Dakota court, seeks over a billion dollars in damages against ABC News -- even though ABC never originated the term and was just reporting what everyone else was calling it.

Known as "lean finely textured beef," the highly processed meat has been dropped from by many fast food chains, but are still one the menu at public schools.

Scientists are working to harness the secret of owls' silent flights to build quieter wind power technology.

The moral of the story is: Some people are awful, some people are heroes, and baby chimps are irresistable.

Ethiopia’s ambitious national reforestation program seeks to plant 4 billion trees by October.

For me, organizing is about people. I love that moment when a new volunteer realizes that she has the power to effect change. That she has the power to influence decision-makers and make a positive impact in her community.

A new study has found that sleep disturbances have a greater effect on academic performance than anxiety, depression, binge-drinking, and marijuana use.

Rising out of surrounding trees and rock, this playful little area takes its design cues from local bird habitats and the town's skiing traditions.

What these cars are capable of will come as no surprise to EV fans, but winning the King of the Mountain title puts another feather in the EV cap

The last thing the world needs is a high tech electrochemical reactor toilet. This is a social problem, not a technical one.

At the edge of the Amazon, a remote tribe suffers a plague of rabies spread by desperate vampire bats. It sounds like the plot from a bad B-movie, but the reality is far more grim: More than 500 people have been

A young sea turtle found in the Netherlands will be released after a three-year recovery. We also have the search for the "extinct" Javan tiger, Sylvester Stallone's bat cave incident, and more.

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.

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

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

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

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

Here's an intriguing alternative to single-use plastics -- sourced from avocado!

The cover of a new book by a leading Agender says it all: Sustainability is just the tip of the Marxist iceberg.