Arsenic and lead have been found in New Orleans' soil, but in some places the levels seem to have decreased.

An abandoned home in New Orleans is transformed into a interactive art installation where passersby are invited to pick up a piece of chalk and share what they'

Hyatt Regency New Orleans and Make It Right join forces to achieve foundation’s goal to build 150 sustainable homes in hurricane-ravaged Lower 9th Ward.

Actor and comedian co-host massive fundraiser to benefit the green rebuilding of New Orleans Lower 9th Ward.

These violent storms both frighten us and fascinate us, and there's a lot you may not know about them.

It's been nearly 20 years since Texaco left Ecuador, but evidence of its presence remains in the form of toxic black gunk in the soil and water.

New report says toxic chemicals are causing Americans 'grievous harm' that could be prevented by better government oversight.

Terrible environmental conditions and an unyielding government has put China in dire danger of poisoning its enormous population and the land around it.

Research suggests that man's best friend has learned to capitalize on our preference for big, sad eyes.

These burrowing rodents build their own towns, they help the environment, and they even talk about us.

Constitution Lakes Nature Preserve is home to a unique art walk dotted with visitor-made pieces constructed entirely from found objects.

We've rounded up some adorable wombat photos and some surprising facts about the wombat.

Synesthetes can taste sounds, smell colors or see scents, and research proves these people experience reality differently.

Martian water would be vital for human visitors, and it's also an important clue in our search for signs of alien life.

Acoustic engineer Trevor Cox is on a mission to identify the most wondrous sounds on Earth.

The folk hero planted many an apple tree, but not for the reasons you might think.

Walmart's recent partnership with Plug Power is helping the company meet its three major sustainability goals.

Meet the leaders of the maker movement, the bright entrepreneurs paving the way for the age of homespun inventions.

Hoping to better protect loggerheads, scientists get creative in finding a way to track the years that baby turtles spend in the ocean.

CBS EcoMedia's Paul Polizzotto says his biggest business influence has been the ocean.

Walmart partner Conservation International has launched the "Nature is Speaking" campaign to provoke a conversation about nature's essential role in our lives.

David Lindo turns his awe for winged creatures into a passion for teaching Britain's urbanites to open their eyes to all the birds around them.

How a pen-pal relationship between altered two lives, inspired a book and continues to help others around the world.

Young entrepreneur wants to bring fresh food to inner city residents through aquaponics.

Four students have developed Google Glass image-recognition app called ThirdEye that verbally identifies objects for visually impaired people.

Famous golfer and his wife establish $30 million center to bring all treatment options under one roof.

How one U.S. businessman is using his startup to bring clean water and hope to drought-stricken Kenyan communities.

LEDs can stop sea turtles from dying in fishing nets, a new study finds, and without limiting how many fish are caught.

A woman decided to volunteer at The Wildcat Sanctuary, a small animal refuge in rural Minnesota, and the results have been pretty amazing.

Packed full of unhealthy nitrates, processed meats like hot dogs and bacon harbor health risks you should know about.

Ditch pricey, over-the-counter face creams for DIY masks that use ingredients you already have in your pantry.

High power factor compact fluorescent light bulbs are a better choice than standard CFLs because they put less strain on the power grid.

What's wrong with high fructose corn syrup? How about obesity, mercury and environmental damage?

Turns out that food is one of the worst contaminants in the paper recycling process.

You don't have to use toxic chemicals and pesticides to have a beautiful, lush yard. But first, stop fixing on having much of a lawn at all.

Odds are, your kid's lemonade stand is illegal in most states. But Texas and Utah have changed their laws with a more common sense approach.

When it comes to picking a side of the bed, resistance is futile.

Many schools take hot lunches away from kids who have a negative balance in their lunch accounts.

The Jacob Leinenkugel Brewing Company joins Milwaukee Riverkeeper to clean up a stretch of the Milwaukee River, protecting local water resources.

To prevent kids from getting bored over the summer, teach them some fun garden games.

New research suggests that discussing politics — and even arguing — offers more benefits than you might think.

Once again, a vote in the U.K. demonstrates a demographic and cultural divide that's changing politics.

U.S. sets disaster record, new branch of life found, climate change vs. pirates, and it turns out the nuclear crisis in Japan is worse than originally believed.

Tornadoes slam U.S. Midwest, floods threaten wildlife, Japan goes solar, and Chicago works on becoming greener.

Space shuttle heads home, U.S. floods spread, CO2 emissions rise, and the amount of groundwater humans use is adjusting the earth's wobble.

New superbug found, nukes cause 'boy booms,' jet streams may power world, and more.

New 'Dirty Dozen' released, autism linked to toxins, jellyfish worsen warming, and the world should brace itself for the weird weather to continue.

Floods may hit Calif. next, study ranks fattening foods, alien ocean found, and more.

California puts cap-and-trade on hold, scientists discover brightest object ever found, and more.

New space race starts, GOP loses bulb battle, dirty socks fight malaria, and more.