Environmental Science
The environment is truly a thing of beauty and should be protected whenever possible. What can we do to save the environment, and what new technology is available to help us?
Study Says 2035 Is Climate Change Point of No Return
5 Ideas for Doubling the World's Food Supply
10 Earth Day Activities for Families
What Was the Largest Wave Ever Recorded?
Is Africa Splitting in Two? Really? Here's the Scoop
What Exactly Is the Eye of the Sahara, aka the Richat Structure?
How to Sell Electricity Back to the Grid
Are there any risks associated with the production of wind energy?
How much energy in a hurricane, a volcano, and an earthquake?
The World Hits 8 Billion People; Is That Good or Bad?
Quiz: Can You Tell Climate Change Fact From Fiction?
Did the Mayan civilization end because of climate change?
Top 5 Green Robots
5 Things to Consider When Building a Solar-powered Home
What Uses the Most Electricity in a Home?
Learn More / Page 7
Sometimes dinosaur fossils are too large and heavy to display without damaging them. How are those enormous models built? And what makes them look so realistic?
What if the land you relied upon simply blew away? In the 1930s, poor stewardship and crushing drought created black blizzards and an internal American exodus known as the Dust Bowl.
Electrifying dance moves might impress your friends, but they usually don't help power the club you're dancing in. What's piezoelectricity, and how could it help twist the future of energy generation?
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Drilling down thousands of feet in lightless ocean depths and transporting that oil to the surface without spilling it isn't exactly easy. Did we mention the rough seas?
By Robert Lamb & Desiree Bowie
Laws, treaties and the limits of human technology have kept some petroleum reserves just beyond the reach of oil companies. So where are they dying to drill?
By Robert Lamb
Researchers think the Chicxulub crater was caused by the massive asteroid that also killed off the dinosaurs 66 million years ago. What else do we know about this peak-ring crater?
By Mark Mancini
If ranchers and landowners invest in grass banks, will their payout be nothing but green? Or is grass banking a temporary solution, delaying Mother Nature's inevitable bankruptcy?
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We've been warned plenty about the mercury content of fish. And most of us know our new high-efficiency CFLs also contain the shiny neurotoxin. So which source should cause us more concern?
By Julia Layton
Is the same substance that makes your shampoo so sudsy really going to give you cancer? Here's the real dirt on whether sodium lauryl sulfate is bad for you.
Can you walk to restaurants from your home? Or do you have to hop in the car for every outing? How do you determine your neighborhood's walkability without taking to the streets yourself?
When Thomas Malthus warned that the human population would eventually outpace Earth's resources, he wasn't anticipating the green revolution. So why do rising food costs have some folks worried we're running at capacity?
By Julia Layton
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Green, clean energy sounds good at first: Harness the power of the wind to run our creature comforts. But could the sounds people hear (and don't hear) from wind turbines endanger their health?
We humans like to trade one problem for another. We give up drinking only to take up smoking. Will we also exchange a reliance on dwindling fossil fuels for a food shortage caused by ethanol production?
By Robert Lamb
Sand dunes belch, moan and hum. They roll across the desert, seeking out new locales. You might even say they breed. It's no wonder people call these giant sand formations lifelike.
By Debra Ronca
Everyone knows air pollution isn't good for your lungs, but it turns out that it's not doing your heart any favors either. Why do the particulates in the air we breathe interfere with our heart's basic job: to keep things ticking?
By Julia Layton
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The worst bad guys in the world of video games aren't virtual. Vampire power, overpackaging and energy-draining consoles make gaming unnecessarily bad for the environment. What are video game manufacturers doing to go green?
It may look like a wasteland now, but a mysterious mound-building civilization once called Peru's arid valleys home. Did a shift in climate drive them to settle -- and eventually disappear?
By Julia Layton
Ashes to ashes, dust to dust -- unless of course you've been embalmed, buried in a steel and hardwood coffin and interred in a concrete vault. For some people, the luxurious excess that accompanies traditional burial is no longer appealing.
Green roofs, long popular in Europe, are making their way into the United States. Find out what a green roof is and how it can solve some problems conventional roofs have.
By Sarah Dowdey
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Clean coal -- isn't that an oxymoron? Not anymore. See how energy companies are using coal in cleaner ways to generate massive amounts of electricity. Alternative fuels may be making headway, but coal isn't used up yet. Find out why.
By Sarah Dowdey
The dead zone, caused by massive amounts of algae growth, is a vast area off the Gulf of Mexico that is deadly to marine life. How is human activity making the dead zone worse?
For more than 40 years, scientists have tried to figure out what's causing large parts of Canada to be "missing" gravity. The force of gravity around Hudson Bay is lower than surrounding areas. Learn about two theories that may explain the phenomenon.
Wind energy is great, but what happens when there's no breeze? The Iowa Stored Energy Park will store compressed air underground. Can it replace traditional energy sources?
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Environmentalists have found a way to harness the military precision of missile-tracking technology for a decidedly nonviolent mission: replanting forests. So what do C-130 aircraft have to do with reforestation?
Plants absorb carbon dioxide and feed us oxygen. So it's pretty much a no-brainer: Plowing down our forests is a bad idea. What's driving the destruction? And is anything being done to stop it?
By Debra Ronca & Sascha Bos