Mayor Sadiq Kahn wants Londoners to stay hydrated with public water fountains while generating less plastic waste.

While easy to focus on the gross-out factor, the tale of a stranded train filled with sewage sludge shines a light on the complicated afterlife of our waste.

This weekend will feature several overlapping events meant to combat a growing plague of garbage around the world.

Second Helpings Atlanta provides a bridge between fresh, perishable food and the people who need it most.

Malaysia and the Philippines are forcefully rejecting trash from wealthier countries.

Those helium-filled balloons you've seen bobbing in the breeze are the least important use of this critical element, especially since we don't have enough.

Psychologists and scientists are concerned about the rising rates of suicide among children, and what the shrinking gender gap might mean.

After more than a decade of anti-climate spin, the folks at DeSmogBlog say enough is enough. ClimateTV will respond to the daily lies of the climate denial mach

For the media, exonerated climate scientists aren't nearly as interesting as evil, manipulative ones.

A study funded by the Koch brothers debunks Climategate, but the cable news media doesn't cover it.

'Hackergate' — a desperate attempt by climate skeptics to revive the manufactured 'Climategate' scandal in advance of U.N. climate conference — will backfir

AT&T's ZERO Charger won’t draw electricity from a power outlet when disconnected from a mobile phone.

GE Ecomagination contest hopes to solicit the smartest solutions for a much-needed quantum leap in electrical grid technology.

Increasingly efficient computers belie the truth that our virtual world is using more and more electricity.

Finnish scientists are studying the possibility of turning water droplets into digital bits and using them to power computers instead of electricity.

FoodShareFilter aims to sell its Instagram filter specially made for food pics and donate the money to an El Salvadorian charity.

Invention start-up Quirky and GE launch the Aros Smart Air Conditioner, a window unit with added brains and good looks.

Almost everything we use runs on direct current, so why are our houses still wired for alternating current?

Benny the beagle was the subject of a 1,000-person search that also involved a helicopter.

UNESCO's World Heritage Committee has added 19 new locations to its list of World Heritage Sites and expanded the boundaries of another one.

An Armillaria gallica mushroom found in Michigan's Upper Peninsula is growing fast, and the secret to its phenomenal growth might hold the cure to cancer.

A street dog named Mera tagged along with a expedition and climbed 23,389-foot Baruntse, a mountain in Nepal.

Hundreds of hikers battle altitude sickness and frostbite as they wait in line to summit Mount Everest.

The affordable organic cotton fashion line threw a star-studded private shopping party in Venice, Calif.

Columnist Matt Hickman offers advice on how to get a crunchy-granola, green husband to wear underwear.

Journalist Heather Rogers maintains that we can't buy our way out of the crisis our planet is experiencing.

Longtime eco-friendly coffee makers attempt a green solution to the waste of single servings.

During a live webcast, Walmart reveals its new global sustainable agriculture goals.

An organic “garden gin,” Sage uses botanicals like the ones grown by Thomas Jefferson in his Monticello gardens.

If you have an outdoor view, you're getting the benefit of Mother Nature.

We want your picks for our Readers' Choice: 40 chefs under 40

Fresh and delicious, the ice cream from this popular Old City, Philadelphia store is worth the wait.

Even dining out for lunch twice a week can really add up.

With today's technology, myths get spread quickly, so let's debunk a few green ones.

You can still enjoy seafood, but make sure you buy sustainable, low-mercury options.

The chlorine originates in sea salt and may have a role in climate change.

Experts say it is one of the largest documented bee deaths in the Western U.S.

A buzzworthy new discovery might help explain the alarming speed of colony collapse disorder.

Humans and house spiders go way back, yet we rarely give this relationship much thought. Here's what to know about your arachnid roommates.

By 2050, New Zealand hopes to be rid of rats, possums, stoats and other invasive predators.

A few years ago, when Janet Jackson “oopsed” her way into Super Bowl and Federal Communications Commission history, 140 million viewers of the biggest game

How a new YouTube video is getting us to think that when it comes to the future of water, it seems the glass is half empty.

It's what you've been waiting for. Peter Dykstra lists his picks for America’s nine greatest environmental heroes.

More than half of the world's largest aquifers are being depleted, according to satellite system data.

The bottled water people have run them out of town, but it's a historic public service.

'Where the River Runs' is a pop-up meadow with a deep environmental message.

Santa Monica's iconic amusement pier is the site of this year's Land Art Generator Initiative. The Pipe is an offshore desalination concept that's making waves.

Freshwater supplies are dwindling as populations grow, but these companies are helping us use water more wisely.

With Italy facing severe drought conditions, the Vatican has turned off its iconic fountains for the first time in living memory to help save water.

It all depends on the upcoming rainy season and residents maintaining water conservation restrictions.