Fracking fluid, the liquid waste left over from the controversial mining technique, wreaks havoc on a plot of land in a test by the U.S. Forest Service.

Just in time for the conservationist president's birthday, the U.S. unveils a plan to freeze uranium mining near one of his favorite places: the Grand Canyon.

No U.S. president has waxed as poetically about mining the moon the way John F. Kennedy did about landing on it.

A new mine could provide 1,500 jobs, but protestors say the environmental cost is too high.

Worth more than $1 million, this gemstone is distinguished for its rich color palette and light-refracting qualities that defy description.

The Silicon Valley tech startup and the lodging platform partner to help make vacationing in a stranger's condo a more energy-efficient affair.

"Ain't No Fish" is a stop-motion animated short film that uses a 1940s show tune to highlight ocean pollution.

A cave in Slovenia has two new baby olms — ghostly 'dragons' that can live for 100 years but rarely reproduce.

Neolithic humans in the Wadi Faynan region of southern Jordan may have polluted the river while first learning how to smelt.

Paddlers Paul Twedt and Michael Anderson started their Three Rivers Project to clean up Minnesota's three largest rivers.

With fresh water supplies contaminated by Hurricane Irma, U.S. Fish and Wildlife Service employees are bucking the rules to keep Key deer in Florida alive.

You've heard of Ebola and likely Zika, but there are many dangerous viruses that have yet to make horrific headlines.

Six months after leaning they were or were not going to be getting one of NASA's retired space shuttles for display, museums in Los Angeles, Houston and New Yor

A miniature space farm, robot legs, and microbes collected by cheerleaders are just a few of the odd passengers headed to the International Space Station.

NASA astronaut Henry "Hank" Hartsfield, who in 1984 commanded the maiden mission of the space shuttle Discovery, died on July 17

China has now given a face to its aggressive renewable energy goals — and man, is that face adorable. (It's a panda.)

Heritage rail and clean tech collide in the Aussie beach town of Byron Bay with the introduction of a solar panel-topped vintage train.

Following a protracted court battle, Six Flags Great Adventure is set to become the world's first theme park that's fully powered by the sun.

More than 100 cities across the globe get 70 percent or more of their energy from renewable sources, according to London-based CDP.

British tech startup Seawater Greenhouse makes the impossible feat of growing crops in arid regions possible with the help of plenty of sunshine and saltwater.

California approved new rules that require new homes and low-rise apartment buildings to use solar panels starting in 2020.

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

If you thought the plastic bag waste from a loaf was a big problem, wait till you find out what's even more damaging.

Twelve of the world's leading chocolate producers, with some help from Prince Charles, intend to tackle deforestation.

The Brock Environmental Center's 'regenerative' design is key to its AIA recognition — it generates 80 percent more energy than it uses.

Beef and farmed catfish aren't great on the environment, but wild-caught fish and farmed shellfish have low environmental impacts.

Greenpeace's Deepsea Desperation lets you challenge a friend for domination over ocean territories. Will you play Greenpeace or Big Oil?

The retiring three-term Republican will leave behind many legacies, including a strong anti-environment record.

Journalist Kate Sheppard covers the world of climate change, politics and energy for Mother Jones magazine.

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

Margaret Brown shares her insights about the Deepwater Horizon spill with MNN.

Jason Alexander Byers uses an unusual material to make an environmental point.

Greenpeace USA is seeking a senior strategist with experience managing organizers to mobilize grassroots members.

Forget the fancy flowers and jewels. These sweet, simple gifts are the way to mom's heart this Mother's Day.

What does your mom really want for Mother's Day? (Hint: You won't find it at the store.)

Ruling is latest twist in a long debate over how to regulate and enforce coal ash disposal.

If you want to try a triathlon, here's what you need to know about the event that combines swimming, cycling and running. Experts Erin Beresini weighs in.

A study in the Lancet looked at over-60 walkers, and those who worked on a busy London street didn't fare as well as the park walkers.

Everyone gets winded while climbing stairs, but sometimes it's a little more serious.

Before clean air laws were passed in Pittsburgh, smoke left buildings in a nighttime shroud all day, yet air quality issues aren't really in the past.

The Canary is a smoke and carbon monoxide detector-cum-air quality analyzer sporting good looks and remarkable smarts.

New study finds that air pollution limits led to 10 percent more rainfall for Atlanta in the 1970s and 1980s.

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.

Many American likely aren't aware that the air in their homes and offices may be cause for concern.

What good is it if all of the historical cities and natural beauty in China are covered by haze?

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

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.