The find confirms that America's earliest human inhabitants were here much sooner than previously thought.

Researchers uncover the remnants of lost continents hidden under the ice sheets of Antarctica.

A startling find in Wyoming radically changes our theories about the distant origins of our taxonomic order.

This supposed moon rock is actually an Earth rock. It was likely jettisoned from our planet ages ago, eventually crashing into the moon.

As acidic seawater forces shellfish to grow thinner shells, scientists warn of a ripple effect that could alter marine ecosystems around the planet.

The U.S. energy sector is 'in the midst of a transformation,' according to a new report, thanks to the growing use of natural gas and renewable power sources.

Top polluters would pay $20 per ton of carbon emissions under the carbon tax plan, with 60 percent of the revenue returned to each U.S. resident.

This much CO2 hasn't filled the planet's atmosphere since the Pliocene Epoch 3 million years ago — long before modern humans existed.

We hear a lot about carbon dioxide when we talk about climate change, but sometimes here's why too much CO2 in the atmosphere is a bad thing.

This surprising discovery won't be enough to stop climate change, but it will help, researchers say.

Methane is a natural substance that can be produced over time through biological routes. This colorless, odorless gas has huge potential as a fuel, but it also

Climate change may be stripping nutrients from the most basic of foods, and that's making its way up the chain to us.

For several countries, the switch from coal to renewable energy is paying off in our attempt to reduce global carbon emissions — but we still have work to do.

The latest World Meteorological Organization Greenhouse Gas Bulletin paints a grim picture for our environment.

A 2017 study published in Environmental Research Letters offers a number of ways to reduce your carbon emissions, and having fewer kids topped the list.

Newly declassified photos show a shocking loss of ice in the Arctic as global temperatures continue to rise.

A study explored 50 million laser images from a NASA satellite to calculate the shrinking depth of the ice sheets, finding the edges to be particularly thin.

New study finds that nanoparticles commonly used in antibacterial socks may significantly boost greenhouse gas emissions.

The new white Coca-Cola cans are part of a fundraising campaign to protect the Arctic.

Thanks to the combined technology of satellites and weather stations scattered around the Antarctic Peninsula, researchers can now keep tabs on the region's shi

The Barnes Ice Cap, a last surviving piece of the once-vast Laurentide Ice Sheet, will be gone in as little as 300 years.

Cadbury will certify 300 million of its Cadbury Dairy Milk chocolate bars as well as its packaged cocoa, at a cost of £1.5m ($2.1m), by the end of summer.

Invasive plants outcompete native vegetation, threaten endangered species and curb biodiversity. So put on a bib and chow down!

We've found several camping areas on lakes, rivers and the ocean that offer beautiful views and plenty of recreational opportunities.

iFixit.org is dedicated to providing free repair manuals to every gadget on Earth.

Guy Laramee's work speaks to the 'erosion of cultures' and our over-reliance on analytical knowledge, symbolized by the book.

Working with the nonprofit Solar Aid, students earn enough to bring electric light to a school in Kenya

CANLOVE, a collective of graffiti artists, is on a mission to collect and upcycle as many spray cans as possible into art.

Anas Cheema, a 22-year-old economics student at the University of Victoria, decided to dedicate his summer.

Flow, a handheld tracking device by Plume Labs, wants to help us better understand — and avoid — urban air pollution.

Research conducted in Madison, Wisconsin, finds soil in developed residential landscapes is better at absorbing CO2 than forests.

While the Camp Fire rages over 100 miles away in the Sierra Nevada foothills, San Francisco experiences an air pollution emergency.

Earth's atmosphere hasn't had this much CO2 in human history, and possibly not since the Pliocene Epoch about 3 million years ago.

500 square miles of Appalachian forest is gone forever due to illegal mountaintop mining, and the EPA doesn't seem to mind.

A new YouTube integrated map lets Appalachian communities speak out on mountaintop coal mining.

A passive solar home in Japan boasts various energy-saving features and a sloping, stair-clad roof that doubles as hangout area/lounge for (hopefully well-behav

Eco-Sense, described as North America's first code-approved, seismically engineered load-bearing insulated cob residence, is one of the first projects to gain s

Michael Pollan explains how healthcare costs are increasing while the amount of money people spend on good food is decreasing and suggests a change.

Michael Pollan predicts local economies will become revitalized and discusses how this will benefit people around the world.

A report issued earlier this week caused quite a stir in the organic food world. See what some respected organic food advocates are saying about it.

You can watch the live stream of the conference and follow my live tweets from the event.

Dig into MNN's recipe archives for eco-friendly and healthy food and drinks to enjoy while critiquing gowns and arguing about who should win this year's Academy

Forget the gold paper plates and the disposable red carpet for your Oscar party. Bring out the china, the crystal and the good food.

Camping's not your thing? Here are helpful tips for people who don't like to camp.

Fire lookout towers found in numerous national forests have been converted into campsites-in-the-sky.

Check out the amazing transformation one man goes through after hiking from Georgia to Maine.

Open to biking, kayaking and cross-country skiing, this 15,000-mile-trail isn't your run-of-the-mill recreational trail.

It's 'open season on open space,' according to The Cultural Landscape Foundation's 2017 'Landslide' report.

There are several different ways to start a campfire, depending on wind and what resources you have on hand.

Shawn James retired in his mid-40s and is living off the land, including building his own log cabin in the wilderness of Ontario.