Radium, a naturally-occurring radioactive element that's also a known carcinogen, can be found in water systems across the U.S.

Utilities from California to North Carolina are preparing for a brief but sharp decrease in solar production during the Great American Eclipse on Aug. 21.

At the 85th Annual Meeting of the United States Conference of Mayors in Miami Beach, leaders pledge to make the switch to 100% renewable energy by 2035.

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.

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

Even core areas of pika habitat 'are vulnerable to climate change within a timeframe of decades,' researchers say.

This devilishly difficult quiz will separate the auto experts from the pretenders.

If fracking techniques pollute water supplies, what will happen to beer production?

Wildlife biologist Steve Barlow has invented a nest box that can be added to utility right-of-way markers across the U.S. and Canada.

How does an all organic vodka hold up at a neighborhood cookout?

Taking fish antibiotics instead of human drugs is a creative solution when money is tight, but it could lead to dangerous consequences.

Traveling in the states this summer? You’ll want to follow this Facebook page to help you find farm-to-table restaurants all over the country.

Despite the 'D' word, a new survey finds that Americans are still smitten with lush residential landscapes.

These dams, like the Hoover, the Diablo, the Shasta and the Grand Coulee, have helped to shape America.

From frustrating voice recognition to built-in apps, consumers either don't know they're there or can't figure them out. But relief is in sight.

Test your knowledge of where products come from and find out if you're a savvy consumer by taking this Made in the USA quiz.

A new survey reveals that overall, nearly 70 percent of U.S. consumers purchase green products or services.

The U.S. Interior Department is reportedly backing away from the plan after receiving a flood of disapproving public comments.

Why does the North Dakota outpost of Williston have the highest rents for a one-bedroom apartment in the entire country according to a new survey?

The blue- and yellow-clad home furnishings behemoth plans to add 17 percent more green to the paychecks of employees who earn minimum wage.

Denmark-based Lego is the world's most profitable toy-maker. But when it reported a revenue decline for early 2016, the news was just what the company wanted.

White-nose syndrome is still spreading wildly, but a few bat colonies may be showing signs of resistance.

After killing 7 million bats in eastern North America, white-nose syndrome just made a 1,300-mile leap west.

American employers may have paid a steep price for the eclipse, but it was just what the nation needed.

From the earliest efforts at clear-cutting to our continued assault on national lands, we love our forests ... even as we continue to put the squeeze on them.

The percentage of Americans who believe the climate is changing has grown, and 64% of Americans favor regulations to reduce greenhouse gas emissions.

With a donation of $970 million, the Facebook co-founder has become the country's top philanthropist for 2013.

Video: Chuck interviews the Indigo Girls about their nonprofit, Honor the Earth.

6.5 percent of Americans over the age of 40 experience phantom odors, but we're not sure what causes this sensation.

Despite an uptick in public spending, 30% of city residents live more than a 10-minute walk from the nearest park, according to the 2018 City Park Facts report.

The two cities will receive substantial financial and technical assistance from Bloomberg Philanthropies to help combat combat climate change.

The New American Home 2012, the official show home of the International Builders' Show, is revealed to be a boxy and modern beauty that's smaller and more effic

Filmmaker Mark Kitchell talks to MNN about the need to understand the birth and life of the green movement in the U.S.

How the Sahara Desert both contributes to and checks the formation of big hurricanes.

This month, scientists and tree lovers celebrate the 2nd birthday of a hybrid chestnut tree that may be a force in reducing the impacts of climate change.

You can now get a charge out of its new go-anywhere GoCharger.

As CES proves, the gadgets are more important than the color and the trim package.

Low gas prices, and crossovers with 30 mpg, mean that only a quarter of hybrid and electric buyers are getting another one.

Nonprofit, which monitors the health and safety of animals in the entertainment industry, calls the expose a distortion of the truth.

Americans are curbing their love affair with beef and the result is a 10 percent reduction in food-related emissions.

According to Osram Sylvania's 6th annual Socket Survey, not too many folks realize that 40W and 60W incandescent bulbs will go bye-bye come Jan 1.

If you think it looks cool, wait till you see its caterpillars.

Detroit is back from the brink with some cars worth a second look. It's not just about bankruptcy anymore.

The country may be filled with hardworking employees, but a new poll shows no one is working harder than the residents of Columbia, Mo.

Robbie Bond wants to inspire kids and their families to protect our national lands.

Plan on roughing it as part of the Great American Backyard Campout later this month? Don't leave behind your flask, flashlight.

In honor of American Made Matters Day, we rounded up 10 products manufactured in the U.S.

Since nothing quite says 'U.S.A.' like summertime grilling and imbibing, consider these entertaining must-haves from the Martha Stewart American Made Market.

These glacial gifts offer a glimpse into our prehistoric and cultural past.