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

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.

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

The air inside your home can be more polluted than the air outside. Want cleaner air? Here are 11 natural ways to clean your indoor air without using chemicals.

A 'capped inversion' trapped air pollutants near the ground.

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

Meet 15 rare animal species whose futures could be determined — for better or worse — in 2015.

Here's a graphical glimpse at America's most endangered wildlife, where they live and how many are left.

Mankind does some weird things to save animals from extinction.

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.

The Jambato harlequin frog had been feared extinct for at least the last 30 years.

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

Researchers study the genetic secrets of the world's last Pinta Island tortoise.

Fan MNN on Facebook and you'll be automatically entered to win an organic kit that will help you score green cred before you leave the house in the morning.

Become a fan of Mother Nature Network and win this top-of-the-line solar charging device -- perfect for your summer vacation.

Honeysuckle and lemon balm foraged from the backyard or your farmers market flavor this vodka cocktail.

Vodka infused with pistachio shells adds nutty savoriness to the kick of a classic mule.

For the Fourth of July, try this cocktail made with an American bourbon and blueberries.

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

The 2014 farm bill removed some of the barriers to growing hemp. Humboldt Distillery ran with it.

This simple lime-cutting hack gives you more juice and has the added benefit of less cleanup when you're done.

Session cocktails and plant-based barbecue are the biggest food trends this summer.

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

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

An analysis of dozens of pyroclastic ash deposits suggests that Mercury had an long history explosive volcanism.

A NASA spacecraft slammed into the surface of Mercury on Thursday, April 30, bringing a groundbreaking mission to a dramatic end.

Mercury, named for the Roman messenger of the gods, is the smallest planet in our solar system and the closest to the sun. Check out these amazing images

How well-versed are you with our planet's fascinating geology? Test your knowledge and find out.

Nobel by the numbers: How much do you know about the history of the Nobel Prize? Take the quiz.

Venture capitalists, energy researchers and policy makers gather for first time in New Mexico.

When it comes to decisions on electricity and energy policy, women do not have the facts they need.

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

The 57,000-acre San Andres Refuge, which works to restore desert bighorn sheep, launched its quest for energy independence in 2005 and has implemented several s

Renewable energy is a powerful force for the decentralization of Big Energy (and Big Government). It's odd that it isn't more popular in supposedly 'radical' an

Actor joins fight against the Keystone XL pipeline, a route connecting the tar sands in Canada to refineries on the Gulf of Mexico.

Rich natural gas deposits off the shore of Israel can meet the country's energy needs well into the next century, provided it can be extracted economically.

Toyota, Nissan, Honda and Mitsubishi are working together to dramatically expand the number of public chargers available in Japan.

The specialized DNA of cockroaches makes them dumpster divers extraordinaire.

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

From Buckingham Palace to the BBC, British institutions are putting the kibosh on single-use plastic.

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

Those helium-filled balloons you've seen bobbing in the breeze are the least important use of this critical element, especially since we don't have enough.

Can you spot all of these incognito critters?

Getting along with neighbors can yield big health benefits for birds, a new study finds. It's probably good for us, too.

The Bramble Cay melomys lost most of its habitat to rising sea levels.

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.

Certain scents can cause a rush of feelings — even if you don't always remember why.

Video: A controversy over e-mails leads FOX to wonder why Obama would bother flying to Copenhagen for the climate summit. Our blogger responds.