An environmental group obtains emails that it says show "bias and complicity" in a government review of the proposed Keystone XL pipeline.

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

Actress Daryl Hannah and landowner Eleanor Fairchild were taken into custody after standing in the way of heavy equipment being used to build the southern porti

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

The U.N. ambassador is considered a top candidate for secretary of State, but her stock in the firm behind the Keystone XL oil pipeline has raised eyebrows.

David Lillard writes about how his son's questions about the Keystone XL Pipeline led him to learn something new.

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.

A rural town creates its own luck when it decides to embrace wind energy.

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

It's ok to take a longer hot shower when your electricity is coming from the family wind turbine.

Select Ace Hardware stores will begin selling the new Honeywell WT6500 home wind turbine next month.

Video: President visits a wind turbine blade manufacturing plant in Iowa and discusses how the administration's clean energy investments are creating jobs and i

I knew wind turbine blades were long, but who knew they could be THIS long!?

About wind turbines. Efficiency, safety and neighbors are key issues for wind power siting.

Strong winds make for a great place to operate a wind turbine but a lousy location to put one up.

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

Select Home Depot stores across 6 states are now selling the Skystream 3.7, a personal wind turbine that's quiet, compact and capable of producing up to 400 kWh

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

Alec Baldwin champions both renewable energy and the preservation of East Hampton, N.Y., with equal passion. So how will things play out now that the actor has

Comedian describes the litany of health issues claimed by people living near wind turbines - which includes, of all things, herpes.

Multitasking infrastructure on the Canary Islands could power as many as 500 homes.

Newly unclassified recordings reveal eerie radio sounds heard during an Apollo mission that weren't coming from Earth.

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

A dog guards an injured canine friend in Japan. Rescue workers managed to get one dog to a shelter and the injured animal to a veterinary clinic.

The devastating earthquake that ravaged Japan in 2011 may have also wreaked havoc on vital fisheries.

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

The gradual recovery of the building and remodeling industries is being slowed by high prices for lumber. However, there is a plentiful, sustainable alternative

Student film "Battle Behind the Bottle" tells the story of the cork industry positive response to the “kick in the pants” screw tops and plastics gave it.

Pluto's moons are even stranger and more intriguing than scientists imagined, a new study reveals.

The Miami Herald profiles Cabin Fever, a Little Haiti-based prefab firm specializing in versatile and affordable micro-dwellings that have a growing fanbase acr

As construction begins on a 32-story prefab tower here in the U.S., Broad Sustainable Building Corp. is preparing for a similar project in China that will resul

Snow and near sub-zero temps didn't prevent a horde of prefab admirers — including this blogger — from welcoming Breezehouse to the East Coast.

This weekend: Model homes have a moment (thanks, Netflix!) and Portland maintains its status as the nation's largest fluoride-free city.

Decorate your table with this inexpensive, natural arrangement that also happens to be compostable.

Thanksgiving feasts and Christmas treats will be here soon, but being proactive can help you win the battle of the bulge.

A new, highly speculative conjecture about the extinction of ancient humans is sure to raise critics' brows.

Researchers uncover the remnants of lost continents hidden under the ice sheets of Antarctica.

Scientists say Zealandia meets all the requirements to qualify as a continent, even though 94% of it is underwater.

The Air Quality Egg was named one of Kickstarter's best projects of 2012.

Aging pipelines leak dangerous amounts of greenhouse gases into the atmosphere.

Shipping containers can be transformed into a variety of innovative homes and hotels.

Bulldog rides zipline to Costa Rican treehouse home

Business as usual is destroying our lives and the environment.

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

Over 20 drunken, rowdy coal miners showed up at a party thrown by mountaintop removal critics, and cameras were there to film it all.

Communications Wireless Group works with business owners to recycle, refurbish, and reuse old wireless devices while maintaining a zero-landfill policy.