An accident in Montana is the latest in a long and troubled line of pipeline incidents in America.

Narrator Daryl Hannah, filmmaker Leslie Iwerks and others discuss the Keystone XL pipeline battle in 'Pipe Dreams.'

Climate scientist James Hansen was arrested on Feb. 13 outside the White House while protesting the Keystone Pipeline.

The future looks uncertain for an industry on the brink of making huge gains in Washington this year.

Somewhere in West Texas is a 7-inch radioactive cylinder that Halliburton would like to find. Anyone who comes across it is advised to keep their distance.

Environmental artist Christo works his inimitable magic with 7,501 oil barrels in a new project at Hyde Park titled ' The London Mastaba.'

The traditional Italian holiday bread is used to make a warm, slightly sweet dessert.

Thieves make off with $20,710 worth of the sweet hazelnut spread.

The Aston Martin e-Cygnet will be available in 2013.

From wrestler Diamond Dallas Page to the New York Giants, these sun-saluting stars may surprise you.

Environmental groups sue State Department about contact that Clinton and a pipeline lobbyist (and former aid) may have had.

Five Nebraska lawmakers say there is no rush to approve a massive pipeline that could damage the environment.

Tribal leaders are among the thousands of protesters who are trying to keep the Obama administration from giving the green light to a new pipeline.

Actress partners with Natural Resources Defense Council, asking people to join her in opposing the $7 billion project.

Amid accusations of bias and corruption, the agency's inspector general will investigate its review of the proposed oil-sands pipeline from Canada.

Actor and environmentalist says President stood up to Big Oil by delaying project and calling for more environmental reviews.

With the 1,700-mile oil pipeline now likely on hold until 2013, here's a roundup of reactions from 10 people closely involved in the debate.

The State Department has denied the proposed oil pipeline from Canada, heading off a congressionally mandated deadline of Feb. 21.

The Obama administration's move won't necessarily kill the controversial oil pipeline, but it has still drawn strong reactions from both sides of the debate.

According to the GOP's favorite media mouthpiece, the Keystone XL pipeline would have created thousands, no- tens of thousands, no- hundreds of thousands, wait-

Climate activist Bill McKibben says now is the time for the Obama administration to stand up to the richest industry on Earth.

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.

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

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

A pair of preservation-minded architects are giving away a historic 1926 bungalow sold as a mail order kit home by Sears with one big catch ...

A judge in Okanogan County, Wash. rules that an ill-sited prefab hut must be moved from its landscape-altering perch above the Methow Valley.

Miners in Australia uncover the opal-filled fossil of a dog-size herbivore named Weewarrasaurus pobeni.

Microbes possibly feeding on the remains of an ancient forest may be generating billions of tons of methane deep beneath Antarctic ice, a new study suggests.

Part of the Keystone oil pipeline was shut down after a 5,000-barrel leak in South Dakota, the pipeline's operator TransCanada said.

Washington has had plenty of chances to do something about the pine beetle problem, but has chosen to do nothing.

In his last scheduled trip to the nation's capital as governor, Dave Freudenthal has some frank discussions with policy makers — and this MNN blogger.

Chilean mine accident survivor, Mario Sepulveda, is said to be thrilled with the casting decision.

Gordon Fullerton, an Apollo-era NASA astronaut who was among the first test pilots to fly the space shuttle, died on Aug. 21.

As it turns out, the Swedish retailer's rooftop power plants are also the biggest in several other states.

District of Columbia lawmakers approve legislation that fast-tracks the city's bold clean energy goals.

Naturally occurring bacteria gobbled up at least 200,000 tons of oil and natural gas that spewed into the Gulf following the BP Deepwater Horizon spill, a new s

The energy-services giant will plead guilty to destroying evidence after the 2010 Deepwater Horizon oil spill, according to the U.S. Justice Department.

You make jam in the summer, but you can enjoy it year-round when you make this tasty drink.

How well-versed are you with our planet's fascinating geology? Test your knowledge and find out.

A testing lab finds genetically modified cotton in H&M and other European brands' eco-friendly lines.

The Organic Cotton Percale Bedding from Gaiam takes a few washes to soften up, but then settles into being a wonderfully comfortable set of sheets.

'If you see me, weep,' reads one of these so-called 'hunger stones.'

A perplexing amount of the planet's water slips deep into Earth's interior at some tectonic boundaries, a new study has found. But where does it go?

To'ak Chocolate is fair trade, USDA organic-certified and exclusively sourced from rare cacao beans found in Ecuador.

The EPA and State Department have now clashed over the proposed pipeline twice in two years, muddling recent indications that its approval might be imminent.

In the latest Python Challenge, researchers bagged over 2,000 pounds of the problematic snakes and discovered some of the species' secrets.

Rolling Stones piano player Chuck Leavell shows off Charlane Plantation, where he champions the importance of trees.