U.S. EPA administrator Lisa P. Jackson sits down with Jon Stewart to discuss the Republican attacks against her agency.

More than half of the country’s rivers and streams are suffering from nutrient pollution and habitat degradation; mercury and bacteria a problem as well.

Even though the California Gold Rush took place more than a century ago, it left a toxic legacy of mercury pollution.

With at least 84 percent of the world's fish contaminated by mercury, how can you know which fish are safe to eat and which aren't?

Pyrethroid pesticides stunt the growth of bumblebees, a new study finds, resulting in smaller workers that may be less adept at foraging.

It's what you've been waiting for. Peter Dykstra lists his picks for America’s nine greatest environmental heroes.

Even if you take the energy and water it takes to build a dishwasher into account, it still beats washing by hand.

Yes, says a new campaign that champions backyard pools as a drought-friendlier landscaping alternative.

More than half of the world's largest aquifers are being depleted, according to satellite system data.

These recipes help you conserve water (and cleanup is a breeze.)

Sure, it's backed by Apple's Tim Cook. But would you spend $300 on a shower apparatus?

A threatened species is on the brink of disappearing as pot farms on public land dish out poisoned baits for wildlife.

The now-permanent rules are just common sense, really.

Thanks to massive water-diversion and salt-evaporation projects, satellite images show how the Dead Sea is gradually living up to its name.

A company in the United Arab Emirates is already putting an iceberg-towing plan into action.

Spongy water harvester prototype that uses only sunlight was tested successfully in the Arizona desert.

Our landlocked water is drying up, and the oceans are rising.

The aquifer is hundreds of feet under the seabed, spans 200 miles along the U.S. East Coast, and hints at similar deposits elsewhere.

The CHIP is a computer the size of a credit card that can do a lot. But it's no Raspberry Pi.

Don't laugh. There are a lot of good reasons to consider it.

Some professors are doing it, but perhaps they should look in the mirror.

First the Danes fund the largest wind company in the U.S. Now the Spaniards are set to open a 24-megawatt solar plant in California. Why are American investors

Ethical shoppers can opt for fair trade certified fashions this season -- although MNN's lifestyle blogger isn't too impressed by the current selection.

At the height of S’mores season, protesters are leaving cards with QR codes near Hershey’s chocolate products in stores to alert shoppers of the problems wi

Here's a list of reasons this blogger thinks fair fashion is anything but frivolous.

H&M is the most ethically minded of the cheap clothing stores, but it still promotes virtually throwaway retail. What's a conscious shopper to do?

'Silver Linings' star is the first major actor to participate in Livia Firth's 2013 Green Carpet Challenge.

My family is starting off the chilly fall mornings fairly with ethically sourced coffee and hot chocolate.

Studying odd couple animal friendships can help researchers learn what goes into normal human relationships.

Humane Society International is building temporary wildlife shelters for animals affected by the Australian bushfires on Kangaroo Island.

In less than 2 minutes a day, you'll learn 101 (no, make that 202) things about Philadelphia that the tourism company wishes you knew.

Could the power of tiny bubbles be used to boost the fuel-efficiency of cargo ships?

Virtualization makes cloud computing possible, productive and profitable. Many businesses large and small think it can do the same thing for work by creating a

The 300-foot-long (92.2-meter-long) Viking Lady is set to get a battery pack, which will turn the supply vessel into a hybrid ship with technology similar to th

If you've upgraded and have old Apple products or other cellphones lying around, Gazelle will give you cash. It's fast, easy and the company will even send you

The agency hopes that public access to the information will encourage collaboration and innovation across the computer science community.

A factory ghost caused 3,000 garment workers to riot in Bangladesh. The workers' behavior is called mass hysteria

The Hawaiian island has reopened its northern coast to tourists, but with new restrictions meant to protect local communities and wildlife.

What am I supposed to do with asbestos tile in my home?

Water leaks, especially those from plumbing pipes and fixtures, don't go away. They only get worse.

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

Young Scottish brothers are watching to see where their little ship 'Adventure' will end up.

Ahimsa House brings healing to survivors of domestic violence, by giving both humans and animals a safe place to start over.

A family spots a swan caught in fishing line — and Uncle Freddy saves the day.

A new study finds dogs rush in — but stay calm — when they hear their human crying.

A new study suggests the shape of an egg is determined by how much time a bird spends in flight.

From the fitness fan to the overachiever, we've got you covered with ten fun 'Elf on the Shelf' ideas to please all of your little elves.

From fly fishing to deep sea fishing to surf fishing and more, here are different styles of fishing from around the world.

In these financially uncertain times, more and more 9-to-5 workers are rounding out their paychecks with cash from entrepreneurial ventures.

Economists might like the idea, but the public doesn't seem to yet.