A concept unveiled at a UN roundtable outlines a fully autonomous floating city.

In observation of one of the original New Urbanist-style planned communities' 75th anniversary, Norris, Tenn. gets a self-sufficient prefab demo home.

This California hotel that our food blogger stayed goes beyond LEED certification in its sustainability initiatives.

Study measuring traces of psychotropic drugs in the air of eight major Italian cities has alarming results.

If a celebrity endorsement gets kids using a phone app that prevents on-the-road texting, emailing and phone use, who am I to complain? But, for the record, Jus

Automaker networks are vulnerable to guys with laptops, and it's not an isolated problem.

Electric carmakers need more cobalt for their lithium-ion batteries. Tiny Cobalt, Ontario, aims to become a sizable supplier.

Air conditioners have made architects lazy, and we've forgotten how to design houses that might work without it.

With the Living Building Challenge now under its belt, the facility is being heralded as one of the greenest buildings in the world.

At 208-square-feet, Kasita smart apartments are roughly the size of 6 garbage receptacles.

A cylindrical concrete abode named O-Pod could squeeze into Hong Kong's scarce unclaimed space.

International Union for Conservation of Nature has updated its Red List, and the news isn't good for Australia's reptiles.

It's a wild idea fraught with controversy, but Australia has the habitats and the protections in place to harbor these beasts.

Australia, on track to eliminate 2 million feral cats by 2020, bans outdoor cats.

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Have a stocking to stuff before December 25? Consider these useful and beautiful gifts — most eco-friendly and/or from small designers — for $25 and under.

The Obama administration tips its hand on a number of energy policy issues during a press conference about coal leases in the West.

Marc Morano, a Republican operative, has taken denying climate change to a whole new level. Don't say we didn't warn you.

A new book explains why you’re more likely to go to jail for stealing a DVD than for poisoning a town.

A hilarious accounting of 'Climategate' and why universities need to professional PR help.

The world's most committed climate activists are descending on Durban for the next attempt to reach an international climate change treaty. So why did one of mo

In the face of the global challenge of climate change, our responses too often involve doing Much Too Little or thinking Way Too Big. The real key is to start a

Even as warnings of the potentially catastrophic effects of global warming mounted, negotiators at global climate talks in Qatar made only modest steps toward h

The United Nations rules require the IPCC to seek unanimous consensus, a fact that climate scientists want to see emphasized in the newest report.

Mustang, Escape, Focus now come in more colors, with more renewable parts, than ever before.

Watch how this small, but fast-growing, Maine brewery is rolling sustainability into their operational DNA.

Ethanol has big fans in Hollywood. Can you believe the Kill Bill Trans-Am running on biofuel? Plus: We get a video tour of Begley's garage.

Because nothing can break one's spirit like dreadful overhead office lighting, the LED revolutionists at Cree have stepped in to save the day (and some energy).

Keep it simple with these carryalls with a stylish edge, which will last for years.

April 24th is the anniversary of the Rana Plaza garment factory collapse; Fashion Revolution Day wants to change how our clothes are made.

Actor will be participating in Suzy Amis Cameron's 'Red Carpet Green Dress' challenge.

It's time to breathe some fresh air into your wardrobe.

Meet John Rook, the green marketing maverick searching for authenticity in the world of sustainable business.

You may have a credit in your Kindle account from a legal settlement that you probably didn't realize you were a part of. Time for a book shopping spree.

A new app has launched in the Philadelphia region with guides to sustainable businesses in 20 categories.

Apple has had its fiscal, competition and marketing ups and downs this year, so here's a few insights into what the company should do to be successful in the co

The 3rd annual Green Grades report card by ForestEthics holds big office supply companies accountable for their sometimes questionable paper sourcing.

John Brown, founder of the Slow Home movement, discusses the fundamentals of building and living in a greener house.

Half the world now lives in cities, and by midcentury 75 percent of us will be urbanites. To make our cities sustainable, look to the 2012 TED Prize and a fasci

At the start of the 20th century, streets belonged as much to pedestrians and children at play as to automobiles. By the end of it, stepping into the street in

A California man buys a live/work townhome next to his ex-wife and cuts a hole through the wall to ease his family's carbon-intensive joint custody situation.

This EarthEcho Expedition takes an in-depth look at dead zones in the Chesapeake Bay — and hopes to get kids involved in finding the answer.

MNN's family blogger chats with Philippe Cousteau about science, exploration, adventure and the eco-savvy kids who are changing the world.

From cleaning up the oceans to finding safer ways to save people after a natural disaster, these kids have big ideas to improve our world.

Growing demand for energy efficiency and energy management has created an unprecedented opportunity for certified carbon managers. And according to Dr. Eric Woo

As Justice John Paul Stevens steps down from the bench, environmentalists remember a "green justice." Though little is known about her environmental positions,

Plan on roughing it as part of the Great American Backyard Campout later this month? Don't leave behind your flask, flashlight.

The Rainforest Alliance offers five suggestions for making Valentine’s Day traditions more earth-friendly.

Most 'gendered' stuff is useless — with a few notable exceptions.

Actor allegedly smuggled his 2 pups in via private jet, generating euthanasia threats from Australian biosecurity officials.