Hoping to pass on her enthusiasm for protecting the environment, a 17-year-old high school student goes beyond the call of duty to teach second-graders about en

Earth Day turned 41 Friday, with organizers hoping to inspire "A Billion Acts of Green," the holiday's theme for 2011. It's a noble goal, but recent events like

Scientists discover how entire ecosystems benefit from wolves keeping herbivores on edge.

The barrage of Darwin Award-worthy and just plain cruel animal selfie photos in the news is our cue for a reality check.

Millipedes are poison-filled arthropods that are surprisingly essential to the health of conifer forests in the Northwest.

The number is probably much, much lower than you think.

It may sound like a good idea for the environment, but refilling a plastic water bottle may not be a good idea.

Glacial gifts such as erratics, moraines, kettle lakes, cirques, tarns and eskers from the ice age are all around if you know where to look.

River crests in Memphis, fracking linked to water pollution, scientists speak with dolphins, and climate changes causes chaos for penguins.

Morieka Johnson says she gets more bang for her buck from high-quality food. (Expensive shoes are another matter.)

While Morieka Johnson usually loves a good bargain, she knows that when it comes to local, sustainably raised beef, you get what you pay for.

Researchers may have finally figured out what kind of drugs Vikings were on as they headed into battle in a blood-thirsty state known as berserkergan.

The 2012 Toyota Prius V is capable of 44mpg in the city.

According to a new Consumer Reports survey, 37% of car buyers consider fuel efficiency first.

Austin's 'Chevy Volt Village' makes a handy political target, but in fact clean energy — and especially wind power — has been very, very good for Texas' ec

California's City By the Bay has dramatically cut greenhouse gas emissions by switching to a mostly hybrid taxi fleet. It's a model for the rest of the country.

Brighter Living with Jill Cordes: Tips to enhancing our energy efficiency.

"The Silent Evolution" by Jason deCaires Taylor is 400 permanent sculptures in Mexican waters.

From taming inflammation to battling PMS blues, it's time to celebrate these salubrious wonder roots.

A new book called 'Wild Land' proves there's still untouched wilderness, documenting that fact with glorious photos.

Leading coral reef ecologist Jeremy Jackson speaks at TED about the havoc humanity is wreaking on the ocean.

A craving for sweets is the same brain function that drug addicts and alcoholics experience for their "fix."

Warning: Your marinara sauce may have as much sugar as two Twinkies.

Before you buy something new, consider whether you need it and where the old one will end up.

Shelterbus is a retrofitted coach bus that serves as a mobile emergency shelter for the homeless in Toronto.

Don’t throw your kitchen scraps away; put them to work. The outer skins of fruit and vegetables are filled with flavor and vitamins, and most often have enoug

Tired? Depressed? Nutrient deficiency might be to blame. You might not be getting the right amount of these vitamins & minerals.

5 cheap affordable cars

The Eco-Marathon brings together the best and the brightest students to create the most efficient cars.

two ford fiestas

Mars and back on a tank of fuel? Ion drive could revolutionize space travel.

Donald Trump's ego is extreme, he may be a bellwether for politicians as a whole, and the U.S. public as a whole.

Video: Watch and learn how to make a delicious apricot chicken.

Chef A uses tomatoes, olives, capers and more in a sauce to top off her basic chicken breasts.

Some over-the-counter acne treatments can trigger serious and potentially life-threatening allergic reactions in rare cases

Who knew that one of the founders of Western philosophy had a favorite chef?

Part work of art, part tribute to farmers who love the earth they work, this new book deserves to be out where people can see it.

We almost lost the art of making true broth, but it has had a massive revival. Now, you can even enjoy it on the streets of New York.

Floor plans that let cooks see the people they're serving increase food quality and customer satisfaction.

Like the space shuttle Endeavour but cheesier, Taco Bell 'Numero Uno' relocates from its original Southern California home.

Sometimes when the weather is hot, cooking isn't appealing. Luckily, these leftovers taste even better cold than they did right out of the oven.

Researchers suggest our most lasting legacy will be chicken bones.

Video: Ed Begley Jr. and Jeff Goldblum suggest ways to save money & help the planet.

The U.S. Energy Department wants you to save green by painting your roof white -- as long as it doesn't make your neighbors see red.

The College's partnership with Decorah, Iowa is featured in this DOE video.

The Berkeley-trained, Nobel-winning physicist is planning a return to academia as well as California, but says he'll stay on at the DOE for a few more weeks.

In his first week on the job, new U.S. Energy Secretary Ernest Moniz makes it clear he sees 'no ambiguity' about the scientific consensus on global warming.

Building a fence involves more than measuring materials and digging. It's a lot of research and communication.

Doctors are seeing up to 15 times as many chronic deformities in infants.

Before you haul away that busted appliance, here are some creative ways to re-purpose it.