The new towers collect much more sunlight during the mornings, evenings and all days of the year regardless of clouds or shadows

Alaska professor discusses why the Arctic National Wildlife Refuge should not be opened for oil drilling.

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

Scientists report that it could take 100 years for the world's groundwater supplies to respond to climate change, potentially leaving populations without water.

Study reveals what you can do to increase the likelihood of a speedy reply.

The breakthrough will allow for stunning time lapses that reveal the behavior of electrons.

I do support fair trade products, but sometimes I wish I didn't.

Updated standards for furnaces and furnace fans, combined, could save consumers roughly $37 billion over three decades.

A new study suggests Americans actually dread family visits, especially the part that involves spending the night there.

Use time, instead of money, to get what you need.

It costs 1.6 cents to make a 1-cent coin. Given the pollution it creates, what's the point?

Here's what you need to know about the overtime rules that have been put on hold and how they could affect your paycheck if they go through.

Ryan Nicodemus discusses how and why he and Joshua Fields Millburn left successful careers, ditched most of their stuff, and set up shop in a Montana cabin.

Being eco-conscious doesn’t have to stress you out or stretch your budget. Learn how to be kind to the earth while also enjoying life.

New study may help doctors and patients find a better balance between diabetes control and quality of life.

Stunning 3-D videos capture the drama of life on a subcellular level.

Touching a giant hogweed can cause burns and even blindness.

Satellite images confirm another massive iceberg has split from Antarctica, this time from the Pine Island Glacier.

Photographer Richard Silver captures the surreal ambience of the "blue hour" with these beautifully spliced landscape images.

Black Friday and Cyber Monday aren't the only days when you can get good deals on a range of gifts.

In 1911, the Society for the Prevention Useless Giving (SPUG) began a movement against useless Christmas gifts. It's time for a comeback.

How can you blame the master of talk radio for suggesting that an elitist environmental reporter kill himself?

To fulfill his promise to become the 'Climate Change President,' Obama will have to channel his inner Harry Truman.

If Democrats want to make this election about issues, they should make it a mandate on Rand Paul's ideas not George Bush's failures.

The fate of the 14-year-old climate treaty will likely be determined in Durban, South Africa, where the latest round of U.N. climate talks begin this week.

Michigan photographer Vincent Brady offers a stirring time-lapse tribute to the unpolluted night sky — all 360 degrees of it.

Take a stunning journey through the night skies over Monument Valley, Trona Pinnacles and Red Rock Canyon.

In this gorgeous short film, satellite dish arrays from around North America join the sky in a celestial waltz.

In 'Hades Exhales,' viewers are given a day-to-night tour of one of the most volatile geothermal landscapes in the country.

First new global map of Earth at night since 2012 shows the growing impact of light pollution across the globe.

In 'Kaibab Elegy,' filmmakers Gavin Heffernan and Harun Mehmedinović show us a full cloud inversion at Grand Canyon National Park.

After breaking up a fight between two dogs, Arizona mother Laura Toone needed medical attention.

The student-designed mobile game Galactickitties lets you save space-flying felines and benefit the ASPCA too.

The technology industry is spurred by those who think ahead and think big — but these predictions were all wrong.

In Tennessee, the streets are too dangerous for one 10-year-old on a bike. In Copenhagen, the streets are too crowded to accommodate any more kids. The real pro

A new report hints at the growing economic clout of renewable energy.

Judging workers' value by time spent at a desk hurts working moms — and companies' bottom lines. Flex time could fix it.

New report finds that women start dropping out of the sciences as soon as they graduate from high school.

A window of opportunity may be closing for Democrats to pass cap-and-trade energy bill.

With time ticking away, a climate bill could be in serious danger.

Before you start (begrudgingly) scouring, scrubbing, shampooing and sprucing up, consider adding these eco-friendly spring cleaning tools.

With Shark Week 2013 looming on the horizon, it's a fine time to invest in apex predator-themed home decor.

We're not quite through with summer yet but it's never too early to start conquering that filthy grill and remedying those BBQ sauce-stained tablecloths.

Sure, you may be able to get by with baking soda and elbow grease. But if you're looking to add to your arsenal of spring cleaning tools, some suggestions ...

Tired of replacing stuff every few years? This website solves that problem.

Buy well by buying once: You'll save money, time and our planet's dwindling resources.

In North America alone, there is enough energy trapped beneath the Earth's surface to produce 10 times as much electricity as coal currently does.

Scientists took 1,445 photos of Chile's Jorge Montt glacier between 2010 and 2011, creating a time-lapse video of its dramatic retreat.

Greenpeace was trying to film mountain scenery at Glacier National Park, but a curious marmot had other ideas.

Massive UV-resistant blankets are designed to slow down the melt.