The University of Phoenix Stadium undergoes a lighting retrofit that's game-changing in more ways than one.

Described as a 'portable center piece,' Philips newest smart LED is a super-versatile mood-setter.

Talk about an Earth Day special: Philips unveils the most affordable 60-watt equivalent LED yet.

In addition to being safe, simple and more efficient, LEDs will transform the replacement bridge into a 'massive canvas.'

Pittsburgh's newest high-rise displays building performance stats in a most stunning manner.

Don't let the door hit you on the way out, pigtail.

No window? No problem.

Pigeon-fancying provocateur Duke Riley's 'Fly By Night' is set to dazzle over the East River.

Landmark Niagara Falls get a $3 million LED upgrade to replace a 20-year-old halogen lighting system.

Are harsh white hues ruining Rome's Old World ambiance? The swap of cost-effective LEDs for older, yellow, sodium-vapor streetlights is raising eyebrows.

Model guidelines from the U.N. for energy-efficient light bulbs aid developing nations in smoothly transitioning from incandescents to LEDs.

Dutch designer Dan Roosegaarde's Space Waste Lab visualizes 'the smog of our universe.'

In his new book 'Citizen Farmers,' Daron 'Farmer D' Joffe positions farming as both a sustainable and a philosophical lifestyle.

The government’s new cash for appliances rebate program is run state by state. Is your state participating yet?

Designed to take the guesswork out of buying energy-efficient home appliances, EcoRebates.com includes a state-by-state rebate database of available incentives.

On the tail of an audit that questioned the reliability of the EnergyStar label, the <i>Washington Post</i> wonders: Are less-than-efficient appliances still ma

Meet my friendly neighborhood green painter: Nick Cope of Green Painting, a Red Hook, Brooklyn-based 'eco-responsible' housepainting firm.

Godwin feels just as comfortable rock climbing a couple hundred feet off the deck as he does in a video editing suite. Meet this digital-friendly adventurer and

Green mom advocates healthy living, but she's best known for her post about a McDonald's hamburger.

Margaret Roach, high-powered Manhattan media player turned solitude-seeking garden blogger, releases a memoir, 'And I Shall Have Some Peace There.'

Quayle Hodek is the 33-year-old founder and CEO of one of the leading companies in wind energy. Find out what he thinks the energy grid will look like in 50 yea

Rebecca Cohen, author of '15 Minutes Outside,' dishes the dirt on how to get kids off the couch and out the door.

Find out how Stonyfield Farm CEO Gary Hirshberg made a rap video about organic food that inspired a battle rap response from Honest Tea's Seth Goldman.

Screen printing maven chats about early inspiration, storytelling, and dinosaurs.

Clarke's Breaking Ground is a nonprofit organization that works on the local level to help communities complete projects like bridges, libraries and schools.

What the founder and CEO of Honest Tea thinks about being partners with Coca-Cola, how socially responsible investing has influenced his company, and how he got

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

Find out how one mom merges eco-consciousness with frugality.

Meet the man behind the popular Web service Transit and Trails, which makes it easy for bus riders to get out for a good hike.

Composting worms couldn't have asked for a better advocate than Bentley Christie. Meet this amazing entrepreneur, scientist, and worm wrangler.

The medical cannabis market is rapidly expanding as more and more states rewrite their laws to give sick people access to the controversial medicine. Meet Troy

On 'Sarah's Summer House,' interior designer Sarah Richardson tackles a most formidable challenge: The eco-renovation of her off the grid summer cottage located

Though he may have taken on the moniker of The Lazy Environmentalist, it's hard to find a harder working, more prolific green storyteller than Josh Dorfman.

Writer, media entrepreneur, environmentalist, and personal trainer Jeffrey Davis wants to make going green accessible for all.

Michael d'Estries has been a green blogger for almost as long as there have been green blogs. Read about what this eco-media virtuoso thinks about the changing

Meet the guy who turned Stonyfield CEO Gary Hirshberg into a rap star.

Meet Don DiCostanzo, the entrepreneur behind Pedego electric bikes. Find out what he thinks about President Obama, e-bikes in bike lanes, and the way to a green

Nichole Dandrea — nutritionist and organic, fair trade chocolatier — explains how you can stay healthy while enjoying decadent truffles every day.

Meet the eco-entrepreneur behind gDiapers, a greener, flushable, alternative to the traditional plastic disposable diaper.

David and Morgan Surkin run the PortSports Social Club, a recreational sports and events club that puts as much emphasis on helping nonprofit organizations as i

A mom, inspired by her own little 'chickins,' has hatched a fun, colorful line of nutrition learning tools that can inspire other families to build healthy habi

Marketing guru Seth Godin talks about the marketing of global warming, the future of publishing, and what's going to happen when the entire world buys a car.

Find out what green architect and Mainer Chris Briley thinks about sustainable design, passive home heating, and the cost difference between conventional and gr

Waylon Lewis is a whirling dynamo of editorial energy. Find out what this new media mogul thinks about the changing world of journalism and the Internet.

Environmental blogger and media maven Chris Tackett talks about how he got his job, the future of the green media landscape, and the joys of composting.

Filmmaker and writer Jonathan Kesselman talks about his latest project, what's funny about global warming, and California's growing anti-circumcision movement.

What does real sustainability look like? What's the best way for renters to get in on the efficiency game? What's for supper?

A former insurance man turns fresh fruits and natural ingredients into delightful ice pops that his customers can’t get enough of.

The man behind the Hunter Angler Gardener Cook blog wants to pass along his knowledge so others can discover the edible foods all around them.

Martyn Poliakoff, a professor of chemistry at the University of Nottingham, may first appear like a mad scientist in his popular series of YouTube videos in whi