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.

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

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

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.

Bulldog rides zipline to Costa Rican treehouse home

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

You can fly! New thrill attraction at London's Archbishop's Park caters to urban adventurers with Peter Pan aspirations.

The NRDC unveils a new online tool for Americans who face pollution from hydraulic fracturing, aka 'fracking.'

Save money, cut carbon emissions, and extend the life of your clothing—all with a few bucks’ worth of rope.

Site for wind farms is not exactly the type of field you picture a retired NFL linebacker scouting. But Sean Tufts is not your typical retired player. Nor is he

Consider helping our honeybees by planting native flowers.

The apiarian artery is the buzziest infrastructure project in Scandinavia.

The space shuttle Endeavour will begin a three-day trip across the United States on Sept. 19, and you can catch some of that journey —the final piggyback flig

If humans are still around millions or billions of years from now, they'll have to deal with supervolcanoes, asteroids and worse.

3 MNN Twitter fans will win a DVD of 'The End of the Line,' a documentary about overfishing that is narrated by Ted Danson.

It can be hard to determine how much seafood you can eat safely while meeting your nutritional needs. This online seafood calculator lends a helping hand.

How smart are you when it comes to keeping clean and germ-free? Take our quiz and find out.

You may love Amazon Prime, but the environment doesn't.

Dream Green Organics offers luxurious organic cotton table and bed linens -- handsewn in California -- at won't-break-your-bank prices.

Our food blogger and her family find plenty of sustainable choices to munch on high above the New York City streets.

A new, keyboard-wielding mafia wants discounts, free stuff and preferential treatment in exchange for good reviews.

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?

Our landlocked water is drying up, and the oceans are rising.

Anyone with an internet connection and a few hours to spare has access to education and it's often free. Here's a sampling of the knowledge that awaits you.

China is the world's largest polluter and the largest green innovator. It is a country full of environmental contradictions, but so is the United States.

The City of Brotherly Love hosts a restaurant week with a local twist and offers a free, downloadable cookbook, 'Center City Cooks,' which includes seasonal rec

The agency hopes that public access to the information will encourage collaboration and innovation across the computer science community.

Is the person you're calling to unlock your door a real locksmith or a con artist?

Smartphones and video-sharing social media sites make uploading and viewing videos easier than ever, driving our obsession with pets.

The rotavirus vaccine may also have the unexpected advantage of reducing rates of Type 1 diabetes.

Critics of the Via Verde project in Mexico City argue that making a busy beltway more aesthetically pleasing only encourages motorists to keep driving.

More than one-third of adults in the U.S. over 45 likely suffer from chronic loneliness, but creative housing solutions like these can change those numbers.

From the venerable, eco-conscious publisher comes a new place to find great gifts, fairly made jewelry and sustainable fashion.

When is rhetoric over-the-top when you're talking about climate change?

While industry apologists peddle the idea that newspapers are doing just fine, the new media world is leaving them behind.

If you've ever had trouble finding something online, a new website is here to help.

'Star Wars' actor's new new 20-piece men's clothing line includes jackets, pants, knitwear, and accessories.

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

Thierry Cohen's artwork reveals the cosmic wonders hidden beneath the light pollution that masks the world's biggest cities.

Living in a city certainly has its charms, but light pollution definitely isn't one of them!

Chanie Kirschner wonders whether all that paper and gas saved are worth going to college online.