Air pollution may be responsible for more than 2 million deaths around the world each year.

Tree rings of old eastern red cedars show improved tree growth and physiology since the Clean Air Act's implementation in the 1980s.

Four cinder blocks + one minute of time = wonderfully functional rocket stove.

Loopholes in the Montreal Protocol may need to be tightened, researchers say.

Air pollution exposure contributes to one in eight deaths around the globe, according to WHO estimates.

While it ranks high on the gross scale, peeing in a pool has never been considered hazardous. A study, however, uncovers health effects.

Chilean soccer fans are urged do the unthinkable and kindly step away from their grills due to worsening air quality levels in Santiago.

By adding tiny nanoparticles of titanium dioxide, our clothes could become air purifiers — or so they say.

Your health is influence by the humidity of your home so pick the right machine for your home and your needs.

Since its release last Saturday, the film on China's crippling pollution has been viewed over 100 million times.

Prime Minister Modi's efforts aimed at tackling local air pollution, but the whole world stands to benefit.

It's a breakthrough that scientists around the world have been pursuing for years.

Some cities outside the U.S. are banning school drop-offs by car. They say it saves time — and lives.

Falling levels of air pollution have resulted in a drop in California's dense tule fog.

The biggest rodent to ever stalk the Earth lived about 3 million years ago — and it used its large front teeth the way today's elephants use their tusks.

Scientists have found structures that resemble an emu's red blood cells, and others that look like collagen, inside 75 million-year-old dinosaur bones.

Seeds found during an archaeological dig on First Nations land revive a long-lost varietal.

Single roots can have thousand-dollar price tags, attracting poachers into protected lands, so what makes ginseng so valuable?

Endemic species run a higher risk of extinction because of their geographic isolation.

Seven species of Hawaiian pollinators are the first bees added to the U.S. endangered species list — but they're unlikely to be the last.

This video is a good warning of the future of wildlife if populations continue to decline as Living Planet assessment reports.

Vaderlimulus tricki is the first horseshoe crab found in Idaho rocks of the Triassic Period, and it has an uncanny resemblance to Darth Vader.

The U.S. Fish and Wildlife Service declared the eastern cougar extinct after it not being seen for over 80 years.

This is the first photograph ever taken of the bizarre and mysterious species, Thismia neptunis.

BirdLife International has confirmed the extinction of eight bird species, including the Spix' macaw in Brazil.

The Caribbean nation of Haiti was once lush with trees and the animals that lived there, but now only a few sections of primary forest remain.

Humans have driven almost 600 plant species extinct since 1750s and that number is likely much higher.

Take the quiz to win 4 tickets and VIP access to one of the band's end-of-the-year shows in Atlanta.

Spruce up your backyard with this must-have bird feeder.

One of our lucky Facebook followers will have an organic backyard food garden created at their home by professionals.

Use fresh, seasonal cherries to make a simple syrup for this fruity cocktail.

Those herbs in your backyard can spice up so much more than just your dinner menu.

Soon, customers may be able to shop and sip at a Target store in Chicago.

Do you have friends who are always throwing parties? We've got the tools to make them happy.

Stocktails are simply savory cocktails made with broth, and we talk to an expert about why they're such a hit.

Nonalcoholic cocktail drinkers deserve balanced drinks, beautiful glassware and the ritual of drinking a cocktail, too.

Stealing bar glasses to keep as a souvenir goes way back and plays a key role in the mint julep, Kentucky Derby relationship.

Mercury is not just hellishly hot but apparently covered in brimstone. A vast part of the planet is covered with dried lava – enough to bury the state of Tex

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.

The discovery of huge amounts of water ice and possible organic compounds on the heat-blasted planet Mercury suggests that the raw materials necessary for life

Spliced from thousands of screenshots of the planets, NASA has created a new video of Mercury that shows off the planet's diversity in terrain.

A video from a NASA spacecraft studying the sun has captured an unexpected sight.

From paws and hooves to claws and talons, a variety of animal feet walk upon the Earth. Can you recognize the animal based on its foot alone?

A lot of faulty survival information gets passed around. Can you sort out which actions will save you, and which might kill you?

Bacteria live everywhere in your body, including your gut. These microbes have quite an impact on your health. Do you know what they do?

OPT harnesses ocean power with some bright yellow buoys (VIDEO).

Google lays out a plan to make renewable energy cheaper than coal.

The veteran anchorman and <i>60 Minutes</i> host hosted me and frequent sparring partner Matt DeBord (car blogger for <i>Slate</i>) on his HDNet program. And th

Oilman's plan still aims for energy independence, but now focuses on conversion of tractor-trailers to natural gas instead of giant Texas wind farm.

In the 10 years since Osama bin Laden became a household name, we have fought a war on terror, watched oil prices skyrocket and continued to get oil from the sa