LEDs were already cheap when you take into account how much money they save you on your electricity bill, but now this is just a no-brainer.

It's a sign of quality when companies are willing to stand by the goods they sell.

The state of Maryland has already shown a proclivity towards environmental programs—it has embraced wind power via positive legislation, for one. Now, it's going to clean up its wetlands. The Maryland chapter of the

That's right, in communities across the US, recycling bins are now being outfitted with Radio Frequency Identification (RFID) chips. And if you don't recycle, they'll let you know that they know.Savannah, GA,

What started in Maryland is spreading. A running club with zombies that chase you. It's about survival of the fittest.

And we thought it was all about symbolism...

The leader of the Catholic Church used his strongest language yet to call for 'decisive action, here and now.'

Three years after a catastrophic earthquake in Haiti, health care workers are still finding it difficult to get medical supplies, but an aid group is putting 3D printing to work to make some of the needed items.

The update to the "Red List" illustrates the worldwide crises facing many species around the globe in the face of habitat loss and degradation.

Technological advancements, combined with an escalating climate crisis, suggest its time to revisit some once fanciful ideas.

Previously unknown species in a relatively undisturbed bioregion of the Mekong River in northeastern Cambodia have been uncovered by a recent study — 24 in total, including a so-called "corpse

Fast fashion hurts real people, as this online series challenges three unsuspecting youngsters to go meet and work with the people who make their clothes.

They may sound progressively eco-friendly, but a new Greenpeace report explains why they're not.

The DIE Moto, the diesel-engined motorbike which we have covered before, has broken the land speed record for a diesel motorbike, with a speed of 130mph.

Ed. note: We're now up to the sixth post in the Green Basics series of posts that TreeHugger is writing to provide basic information about important ideas, materials and technologies for new greenies (or those who just need a quick refresher). Read on

A level playing field for renewables is about to get a step closer, at least in Morocco.

A technology developed at a national lab for improving carbon capture at power plants may be able to help craft breweries capture and reuse CO2 from their fermentation processes, while also slashing costs.

Run on waste heat, this commercial facility is the first of its kind in the world, extracting CO2 from the air and piping it to a greenhouse farm to grow veggies.

Agriculture has become the single largest driver of climate change. It's time to start farming for the whole planet.

It's a good thing global fish stocks aren't in peril...

Frugality blogger Elizabeth Willard Thames has outfitted her house and family with thrifted finds. This is her advice.

It could also help us eradicate heritable diseases in dogs.

3D maps created by Climate Central show how sea level rise could change some familiar cityscapes.

California has been going through a drought for about 3 years now, with 2013 being the driest year on record.

A Toronto city councillor is going to try.

We are by no means helpless in the face of climate change.

With a warming climate, the remains of unlucky mountaineers are beginning to rise from the ice.

The U.N. just came up with some climate change solutions, and none of them are "expect techy solutions to pull us out."

A posse of paper penguins has spread to major international cities in the past week, as part of a new Greenpeace campaign to protect Antarctica.

Along with her large-scale drawings, artist Zaria Forman has recorded the eerie song of a warming planet.

A new study shows that there is some seriously low-hanging fruit here that would deliver more bang for the buck.

Waitrose wants to see how serious shoppers are about bringing their own containers.

Preserving fisheries is crucial. But one fisherman argues that regulation can do more harm than good, and that fishing communities used to regulate themselves.

These 'living fossils' have survived mass extinctions over the course of their eons of existence, but it just might be two youngsters that save them from the human threats they face today.

Non-native species like zebra mussels make national news, but the dangerous plant variable milfoil is rarely discussed outside of lake communities.

Is it possible to keep Kosher and still keep a vegan diet?

When doctors team up with food banks, it improves health and staves off chronic hunger.

Environment minister called waste importers 'traitors' who don't care about the country's long-term sustainability.

What better way to celebrate National Penguin Awareness Day than by caving to the cute factor with videos of bitty penguins?

Most people think there are around 100 – most people are way off.

The electric quadracycle is clad in a composite made from hemp and cashews.

TreeHugger's Lloyd Alter does radio

Concerned about Asian carp? Meet the invasive cousins, you might say, of the monster fish. The U.S. Army Corps of Engineers has released a white paper on 40 high-risk species to watch out for,

Yesterday I wrote about a mom who was convicted of vehicular homicide after her son was killed by a drunk hit-and-run, because she crossed the street from a bus stop without walking almost half a mile to the traffic light. Today Walkscore has released

It's summertime, and the living is easy, and we are talking about air conditioning.

St. Augustine said "Solvitur Ambulando": It is solved by walking. So does Tom Vanderbilt in this great series in Slate.

The Substitution Support Portal SUBSPORT launched this week, intending to give business improved tools for substituting hazardous chemicals with safer substitutes.

Recent rains attributed to a changing climate are leading to mass extinction in the Atacama Desert.

Check out these photos of a surprise 10-mile lake that popped up in Death Valley, California.

Pigeons sure, but urban eagles and city vultures? A beautifully illustrated new book, Urban Aviary, spills their secrets.