Apple suppliers have committed to clean up their act as well.

The breakthrough works like a rechargeable battery that is charged by sunlight.

District of Columbia lawmakers approve legislation that fast-tracks the city's bold clean energy goals.

A new study suggests the UNESCO status of Canada's Wood Buffalo National Park is in danger.

Voters in the Gulf states favor candidates who will focus on restoration of the coastline -- especially those at the federal level.

Hindsight is 20/20 and there will be a lot of 20/20 analysis as the oil spill commission continues to drop bombshells from the behind-the-scenes reports of what

Raising campaign funds is a difficult balancing act for the Louisiana governor.

Shipwrecks are a ticking time bomb of oil waiting for the sea to finish eating through their corroded tanks.

Five rousing books that sound a rallying cry to think about and work toward environmental solutions in fresh, new ways.

Some of the long-term impacts of the Deepwater Horizon oil spill are on the psyches of the people who work there.

The NOAA suspects the infectious morbillivirus is responsible for the unusually high number of dolphin strandings and deaths this month.

Five years later, scientists may have finally found up to 10 million gallons of missing oil from the 2010 BP spill.

Mother's Day. There's not much time left to honor your mother, but MNN has earth-friendly solutions and a few videos to inspire.

U.S. scores lower than many smaller and poorer countries on world motherhood rankings.

The U.S. tradition began in 1911, but many other cultures offer their own twist on the Mother's Day theme. Mexico's celebration in particular looks like fun.

What happens two months after a major environmental disaster, when the lights go out and everyone stops paying attention?

EPAcoal.org launches a Twitter campaign to send a strong message of support to the EPA for regulating toxic coal sludge so it doesn't enter the water supply.

American runners are getting slower, and it's not because more women are running now then ever before.

Running and walking may have similar benefits, but are there times when is walking better than running?

Why aren't women counted in most exercise studies? Their periods tend to mess up the data.

A new study reveals that a lean, fit body equals happy teeth and gums.

As the 'Mad Pooper' terrorizes Colorado Springs, many are asking why runners are so obsessed with poop anyhow.

Thomas Panek just became the first blind runner to complete the NYC Half Marathon with guide dogs.

Researchers looked at walkers and runners with bent and straight arms to find out.

Running doesn't have to be a struggle. Here's how to become a runner for life.

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

Visibility in Harbin, China has dropped to 33 feet in the wake of monster smog rolling through the area.

Skeptics question whether China can grow its economy and fight emissions. The truth is, it has no choice.

A new initiative in India will employ up to 300,000 youths in an effort to improve air quality and provide opportunities to the unemployed.

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

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.

Paris gives cars the boot on this popular thoroughfare one day a month to promote clean air and exploring the city on foot.

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.

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

The discovery offers new insights about dinosaur plumage, hinting at a 'chestnut brown' creature that couldn't fly.

Some of these massive beasts are familiar in form but enormous in size, while others are strange hybrids of modern-day animals.

The sun, like many stars, may be a binary, meaning it could have a mass-extinction-causing 'brother.'

Ancient 5-foot 7 penguin weighed at least 220 pounds and speared fish with its sizable beak.

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

Fans of Mother Nature Network's Facebook page can win a box full of green, limited-edition Ball® canning jars and much more.

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

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

Open up the liquor cabinet, pull out your shaker, and celebrate your hard work with a cocktail.

A festive punch lets your guests know you're ready to celebrate.

Due to history or legend, most countries are known for contributing something specific to the world. How many do you know?

Different countries have different dining customs. Do you know how to avoid being offensive at the dinner table, no matter where that table is?

The Earth's mountains, rivers, animals and rocks have been around for millions or billions of years. Do you know which ones have been around the longest?

UPDATE: Van Jones clears up the 'green czar' buzz.

A dramatic film explores the physical and emotional challenges of living in a peak oil scenario.