Milan, Italy's smoggy second largest city, envisions a future that's cooler, cleaner and swathed in green.

There were once less than 1,000 of them left in Mexico and the U.S.

The U.S. Supreme Court will decide how the Fish and Wildlife Service can protect species thanks to a legal conflict over a tiny frog.

Rescuers in Cape Cod are racing to save wave after wave of "cold-stunned" sea turtles.

The clones come from trees that were larger than any alive today.

The newly identified species may already be at risk of extinction due to habitat loss, researchers report.

U.S. Fish & Wildlife Service proposes letting states, tribes manage wolf populations, dropping endangered species status on the federal level.

For my final last minute-ish holiday stocking stuffer pick, a bamboo charcoal- and goat milk-based skincare bar from the Fabulous Beekman Boys.

Media columnist Ken Edelstein visits with Tea Partiers and energy-efficiency advocates, and comes away with a dizzy feeling.

Video: MNN blogger Karl Burkart chats with Current TV about the politics of blogging at the Copenhagen climate summit.

The USGBC has been busy this month including live blogging from Copenhagen, a deal with the U.S. Department of Veterans Affairs, and finalizing video from Green

Video clips from the great Copenhagen march for the climate.

NGO leader Kelly Rigg weighs in on the climate movement in the U.S. vs. China and what is needed to make a shift.

The U.S. has become the pre-eminent blocker to this year's UN climate negotiations, but new scientific analysis and a growing civil society movement could force

The head of Duke Energy says Americans don't have the attention span to take on crafting a meaningful energy policy.

Cree makes a game-changing jump into consumer lighting with affordable LED bulbs that resemble the energy-hogging incandescents of yesteryear.

Unlike incandescent 3-way bulbs that really only have 2 levels of brightness, the 3-way Cree LED boats a trio of brightness levels you can actually see.

Singer-songwriter, in collaboration with G-Star Raw, will create jeans made from plastic-based 'bionic yarn'.

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

Light pollution steals from us the view of the universe in which we live. Check out this beautiful photograph taken high in the Sierra Nevada of an unblemished

Astronaut Ron Garan took a stellar photo last weekend of a Perseid meteor from space. See it and other Perseid photos from recent years.

The SmartGait innovation could help patients with compromised balance by analyzing how they walk.

'I See Change' app taps the power of citizen scientists to gather data on nature and weather.

Telecommuting is a nice perk, but it isn't always easy to stay focused.

Finland's vocational education and training (VET) programs cover a range of occupations, and training is available to just about everyone.

From saving dogs to cleaning up plastic, these were the stories that revealed some of the good happening in the world.

Nobody likes a loser - and that's just what this energy policy looks like after the midterm elections.

How many answers are there to the question, “Is your product GMO-free?” More than you’d think.

There are millions of animals on the planet, yet the milk Americans drink almost exclusively comes from cows.

Aadd a dash of homegrown design to your Fourth of July blowout with items designed and/or sold by members of the American Design Club.

West Elm is about to get a whole lot more crafty with the launch of a new initiative that involves a significant financial commitment to handcrafted products.

Diapers made from jellyfish biodegrade in less than 30 days and soak up twice the mess.

This versatile fiber can keep you looking good or speed you down the highway.

The House cut funding for food stamps out of their version of the Farm Bill that goes to the Senate next. Colbert, of course, has something to say about that.

Oscar-winning actor Daniel Day-Lewis famously went on sabbatical to focus on his family and farming in 2013. Now it's clear he's not coming back.

The 'alalā went extinct in the wild in 2002, but a captive breeding program is preserving hope for the species.

Yellowstone National Park closed a popular road on July 10 after geothermal heat cooked the asphalt.

Bed bugs have been documented as early as the first century. Originating in tropical climates, bed bugs are excellent hitchhikers, stowing away in luggage, hand

Australian Reptile Park shares a creepy video of funnel web spiders emerging from an egg sac, just in time for Halloween.

Nancy Sutley, chair of the Council on Environmental Quality, and Heather Zichal, deputy assistant to the president for Energy and Climate Change, take your ques

On the first day of COP 16, President Calderon made some interesting remarks -- incuding one about your grandmother's refrigerator.

The Scottish wildcat, an adorable yet fierce native cat species, may disappear within the next few years.

Scientists hope a new vaccination campaign will give Ethiopian wolves a fighting chance at survival.

A huge, emerging crack has been discovered in one of Antarctica's glaciers, with a NASA plane mission providing the first-ever detailed airborne measurements of

Scientists have gained insight into the cause of the global sea level rise with the discovery that warm ocean water is primarily melting the ice shelves.

Melting Arctic sea ice has contributed considerably more to warming at the top of the world than previously predicted by climate models.

Antarctica is a land of ice. But dive below the West Antarctic Ice Sheet, and you'll find fire as well, in the form of subglacial volcanoes.

More ships are navigating the perilous, frigid Northwest Passage through the Arctic Ocean, with large passenger vessels soon to join them.

Glacial gifts such as erratics, moraines, kettle lakes, cirques, tarns and eskers from the ice age are all around if you know where to look.

Researchers in Greenland are studying how warming glaciers relate to sea level rise around the world. They had a front-row seat to the Helheim glacier calving.