The world's oceans are turning acidic even more rapidly than during a monster emission of planet-warming carbon 56 million years ago.

By studying particles on the ocean floor, scientists conclude that Earth supports one-third less life than originally thought.

Two million trees have been planted in the Upper Ouachita National Wildlife Refuge as part of a carbon offset program.

Video: Catch up with the Begleys at The Environmental Media Awards.

Thanks to Energy Star qualification, the most affordable high-quality LED on the market, the Cree LED Bulb, just got even cheaper.

Fast food and environmentalism aren't always seen as compatible. The owner of this green-built McDonald's hopes to change that.

A vivid new video follows skiers in LED-studded suits as they slice up Alaskan slopes after dark.

Dutch designer Dan Roosegaarde's Space Waste Lab visualizes 'the smog of our universe.'

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

After protests and complaints about prior Olympics uniforms being made in China, Ralph Lauren brings production back the USA.

Animal-free ways to keep warm and cozy as the temperature dips.

Looking for the best gear for summer running? Here are some eco-friendly fashion tips so you can hit the trails in style.

Find out how one mom merges eco-consciousness with frugality.

Filmmaker and writer Jonathan Kesselman talks about his latest project, what's funny about global warming, and California's growing anti-circumcision movement.

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

Chengdu's wild plan involves a reflective satellite or "moon" that would beam down a "dusk-like glow" within city limits.

Birds that produce 'flight calls' during night migration may be more vulnerable to light pollution, a new study finds.

Get some blackout curtains. More and more studies show artificial light can harm your health.

Guide to pulling off a traditional Thanksgiving dinner with style from the former New York Times restaurant critic is a bargain.

After months of leaks and rumors, the iPhone 5S is finally real.

Phonebloks is a Lego-like approach to smartphone design, where each individual 'blok' is an isolated component that can be replaced.

The student-designed mobile game Galactickitties lets you save space-flying felines and benefit the ASPCA too.

It is one thing to go cashless, and it is altogether another thing to have no money.

Having a hard time deciding on a tablet to give that special someone? A roundtable of tech experts can help you make an informed decision.

With a few clicks of a mouse, you can buy Christmas gifts for the home cook, vegetarian, paleo or recipe hoarder in your life.

Filmmaker Josh Seftel bought his mother an iPad last year and turned her into a YouTube sensation. In the process, he the two developed an even closer bond.

A label is popping up on chicken in the meat case. Here's what you should know about it.

Chinese government offers high-speed rail expertise to U.S. projects.

One San Francisco-based tech company is offering a $10K option to those who move away from the city.

New study from researchers at Stanford challenges the idea that your lifelong pursuit is just buried inside you somewhere.

In their last year of high school, Miranda Wang and Jeanny Yao went looking for a solution to their town's plastic waste problem, and found one close to home.

Eight-year-old Gabi Mann loves her corvid friends, and they reciprocate with small trinkets and treasures.

A process intended to teach girls about business instead teaches one of life's hardest lessons.

A portion of sales from the new toy line will be donated to UNICEF and Save the Children.

The U.S. representative fighting for her life after a weekend shooting has been an advocate for many issues, including the environment.

Bill Richardson says the terrorist's death gives President Obama an opportunity to tackle one of the most contentious issues in Washington.

The Freezycup popsicle mold makes it easy to make your own frozen treats without using a bit of plastic. It's a great product, if a bit pricey.

Coca-Cola teams up with Tokyo-based design studio Nendo to release a collection of gorgeous recycled glass tableware dubbed, most fittingly, Bottleware.

Here's your guide to the green product & sustainability lables found on everything from fish to light bulbs.

The scavenge-happy folks at Fireclay Tile launch a Kickstarter campaign to help transform old CRT TVs and computer monitors into stunning glass tiles.

My Fair Trade Lady, a small shop in South Jersey, showcases fair trade items for the kitchen and beyond.

Tired of replacing stuff every few years? This website solves that problem.

Buy well by buying once: You'll save money, time and our planet's dwindling resources.

By choosing wisely with kitchen sponges you can keep plastic out of the landfill.

Actor and entrepreneur says his centrifuges could make a difference in small-scale oil cleanups.

Dairy prices could rise if the farm bill isn't passed by Dec. 31, 2012. It's being called the dairy cliff.

Effects of the fiscal cliff deal on food policy

Despite the high stakes, this political precipice looks more like a buttery bluff.

For wealthy Californian homeowners, extra peace of mind comes with a high price tag.

Some trees embark on an epic — and important — journey after they die.