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.

Outdoor air pollution has now been classified as 'carcinogenic to humans' by the United Nations.

Can a vacuum suck up China's smog? Daan Roosegaarde will test his new technology soon in Beijing's parks.

Tokyo, which cleaned up its act in the 1970s, is a role model as the Chinese capital starts to address some of the world's worst air pollution.

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

Electronics giant announces it will compensate workers relocating to China for the poor quality of air they will have to breathe.

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

A new report from the American Lung Association finds that nearly 148 million Americans breathe unhealthy air.

A new study by WHO finds that air pollution has worsened since 2011, signaling increased health risks for city dwellers.

This high tech billboard can do the work of 1,200 trees, scrubbing the air of pollutants.

Dozens of cities throughout the country have either banned or limited fireworks displays due to the threat of heavy pollution.

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.

Air pollutants are linked with heart disease, lung disease and other serious afflictions that have long-term impacts.

A new study says commuting to work by car may be far more harmful to your health than previously believed.

China's most polluted cities have made strides in reducing air pollution, but there's still work to be done.

Re-wilding nature is always controversial, as evidenced by the conflicting views in North Carolina over the reintroduction of the red wolf.

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

Here are the world's rarest animals, the loneliest creatures on Earth: 8 species with fewer than 10 confirmed individuals left alive.

What do you get when you merge superfoods and quality spirits? Cocktails for those who want to integrate mindfulness into all parts of their lives.

By analyzing ear wax from a deceased blue whale, scientists gained clues to years of chemical exposure.

The dream of a space-faring humanity is deep-rooted.

Life across the globe depends on bees, butterflies, birds, bats and other pollinators. Test your knowledge about these vital creatures.

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

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

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

The vision of an energy-efficient super grid that allows powers companies to communicate real-time may be possible through Google-Spectrum Bridge partnership.

Answer 20 questions to get your resiliency score -- and find out how self and community-sufficient you are.

A study from the Civil Society Institute reveals that party lines divide many people's feelings about global warming, energy independence and green jobs. Here a

Harish Hande launched his solar company to dispel the myth that renewable energy was too expensive for poor people. The West could learn something from him.

Music for Relief, a charitable network of music greats, wants to help light up the darkest homes in Africa though the Power the World campaign. The goal: Lift m

El Hierro, the smallest of the Canary Islands, is becoming energy self-sufficient by relying solely on wind turbines and hydroelectricity.

MNN introduces you to the key characters in the Eco-bama drama including Steven Chu, Carol Browner and more.

Thousands of pounds of moldy cardigans and unsellable denim shorts are being burned in lieu of oil and coal at Västerås near Stockholm.

Illegal dung dumping is on the rise as the already-strong Dutch dairy sector continues to grow.

While easy to focus on the gross-out factor, the tale of a stranded train filled with sewage sludge shines a light on the complicated afterlife of our waste.

Here's a good list of items not to put in your garbage disposal, and a bonus list of 3 to be cautious about.

A singular place to say 'I do' in the Seattle area, Brightwater Treatment Plant can process 36 million gallons of wastewater daily.

There's no perfect way to dispose of your dog's waste, but here are some ideas.

Although new on the Indian retail scene, Ikea already has big plans to alleviate one of the country's largest environmental ills.

Copenhagen gains an unusual new landmark in the form of a multitasking waste-to-energy plant designed by Bjarke Ingels Group that functions as a ski slope.

As much as 66 metric tons of human excrement from visitors to Alaska's Denali National Park could soon be released into the pristine Alaskan coast.

These plastic filters far surpass plastic straws in coastal cleanup tallies and they're toxic on land, too.

Moose are increasingly unleashing their frustrations on hunters, motorists and lawn mowers.

The predators burn energy 1.6 times faster than previously thought, a study finds, helping explain why the loss of sea ice hits them so hard.

Thanks to the 24-hour news cycle and social media, it's impossible to tune out these politically turbulent times. Here's how to tune in and stay sane.

wo new studies on how Americans perceive climate change is a testament to public confusion and an urgent call for better messaging from the scientific communit

Two new studies on how Americans perceive climate change is a testament to public confusion and an urgent call for better messaging from the scientific communit

The release, quickly dubbed "Climategate 2.0" after the initial 2009 "Climategate" hacking, drew strong condemnation from scientists involved in the emails, as