From Michigan to Arkansas, a series of recent oil spills have raised doubts about the proposed Keystone XL oil pipeline.

Washington Post energy correspondent Steven Mufson traveled the 1,700-mile path of the controversial tar sands pipeline.

Ads supporting the pipeline are the work of 2 political offshoots of Zuckerberg's social welfare organization.

Amy Smart, Justin Chatwin, Wendie Malick and Ed Begley Jr. for the Environmental Media Association.

U.S. pipelines have already sprung two major leaks in 2015, including the Yellowstone River's second oil spill in four years.

Divers enjoy a swim alongside a human-sized jellyfish near Cornwall, England.

New research from a team of U.K. scientists reveals that humpback whales share songs during their migratory travels in the South Pacific.

Turbines in Denmark and Sweden throw off blades — a rare event, but one to consider as alternative energy use grows across globe.

Anyone can jump off a building or a cliff. It takes a real green adrenaline junkie to hurl himself off a wind turbine.

Researchers have developed an interactive tool that uses bat calls and local environmental conditions to help wind farms reduce bat fatalities while still runni

Soundtracked by Sigur Rós, the ultra-mellow trek was broadcast live on national television.

As the Vienna Chamber Orchestra performs Mendelssohn, a dog saunters up to enjoy the show.

Left all alone, this dog 'plays' the piano and 'sings' the blues.

This parrot likes to move it while listening to 'I Like to Move It.'

The Lucerne University of Applied Sciences and Arts is offering bachelor's and master's degrees in yodeling.

An 18-year-old pizza delivery driver surprises a family in Detroit by playing piano for them.

Weary animals at elephant sanctuary in Thailand relax as volunteer plays classical piano music in the forest.

You're not officially supposed to listen to Christmas music until after Thanksgiving, but Pentatonix's a cappella cover is worth breaking the rules for.

Director Josh Fox lands deal with network to premiere next film in what could become a trilogy of docs on the natural gas industry.

In a new video, celebrities team up to raise awareness about why we should be concerned about natural gas extraction in the Northeast.

Residents of Pennsylvania's top natural gas-producing town will soon know what may be lurking in their drinking water wells. Federal environmental regulators ar

Director Josh Fox's follow-up to his 2010 documentary on the natural gas industry sparks drama at the Tribeca Film Festival.

Director Josh Fox accuses the energy industry and politicians of failing the American people.

The worldwide shortage of helium threatens many industrial, medical and military applications far beyond balloons.

Researchers have found 10,000 natural gas leaks under just two U.S. cities, hinting at a broader problem.

Researchers at Princeton recently studied the question of whether abandoned gas & oil well are leaking methane into the atmosphere.

Several organizations are trying to help those in need in Japan following the massive earthquake and tsunami. Here's how you can help.

In the end, delivery dates are unimportant — but they do show how connected we are.

The fish, which live off the coast of Japan, made their way across the Pacific in a drifting skiff. Of the 5 fish that made the journey, 1 is still alive.

Meet Chris Robinson, an average California dad who just happens to be constructing a 22-foot-long tsunami escape pod out of plywood in his backyard.

Sustainable forestry. Here's an overview of how the sustainable forestry movement has evolved from the 1960s to the present.

Toy giant freezes purchases from supplier accused of deforestation.

.Chances are it's not, but Swedish mega-retailer IKEA has recently come under fire from environmental watchdog groups for clear-cutting old-growth forests in a

Scientists are searching for possible sources for life on Earth on the edge of our Solar System.

With Pluto's unveiling on the horizon, here's a quick look at past and present efforts to study the elusive world.

NASA asked the internet for help in choosing a nickname for the Kuiper Belt object named '(486958) 2014 MU69.'

Architect Zaha Hadid is "touring around" a prefab concept with musician/design dabbler extraordinaire Pharrell Williams.

Perched above Mexico City's trendiest shopping district, the Billboard House is obscured by a mural created by the dwelling's artist-in-residence.

The oldest city in the Netherlands attracts first-time homeowners with flat-pack prefab abodes free of hidden costs or complications.

Blu Homes arrives on the L.A. market with a Breezehouse model home boasting SoCal specific features including bigger walk-in closets and more windows.

Philippe Starck unveils a line of energy-efficient prefab homes with European wood builder Riko.

Airbnb celebrates its presence in L.A. with a city-wide 'hospitality experience' revolving around prefab studios with celebrity-designed interiors.

Catering to young Londoners struggling to enter the city's real estate market, the YMCA's Y:Cube Housing offers a green prefab-based step toward independence.

Assembled on site in just 2 days with the aid of screwdrivers, this boxy plywood beauty is designed to last at least 150 years.

Shoppers went gaga for 'Leisurama' vacation homes showcased on the department store's ninth floor in the early 1960s.

In a marriage of modular building and adaptive reuse, one Spanish developer has taken to the rooftops.

The chef of PBS’ long running “Ciao Italia” taught me to make this flavorful, seasonal salad that would be a perfect side dish for Thanksgiving.

Keep Thanksgiving from turning into a battle zone with these tips to help your picky eaters enjoy their holiday meals.

It takes only a few minutes to whip up this delicious cold-weather drink at home.

Get a jump on Thanksgiving prep with these pro tips and avoid holiday meltdowns.