Green Science
Green Science is the application of eco-friendly thinking to scientific disciplines. Learn about global warming, pollution and other impacts on nature and the planet, plus what we can do to combat them.
The Euphrates River, at the 'Cradle of Civilization,' Is Drying Up
Study Says 2035 Is Climate Change Point of No Return
5 Ideas for Doubling the World's Food Supply
Andes Mountains: Home to Rainforests, Volcanoes and Alpacas
What Are Geodes and Where Can You Find Them?
River-bottom Bones: The Strange World of Underwater Fossil Hunting
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?
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 5
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?
If you've ever seen a kid frying ants with a magnifying glass, you know that the concentrated power of the sun can create great heat. But what if that heat were applied to something a bit more productive -- something like cooking food?
By Julia Layton
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
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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.
There's no way around it: The world is currently gripped by a global energy crisis. As scientists scramble for answers, hydrogen energy has emerged as a great, yet flawed solution.
As the world deals with a global food crisis, farmers need to figure out how to grow crops in a clean and sustainable way. What does sustainable agriculture accomplish that conventional farming can't?
By Dave Roos
The world's forests hold some of its most precious natural resources -- its trees. Sustainable forestry encourages attention to the forests' long-term health so they retain their value.
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In the race to find alternative energy sources, wind power is a strong contender. In fact, it's already making its mark. How much do you know about this up-and-coming energy source?
By Lance Looper
Not only do cars produce a large portion of the world's pollution, but airplanes, boats, trucks, trains and buses also contribute to pollution. Is there one magic solution to pollution?
By Eric Baxter
That's the goal for these minuscule technologies with their array of seemingly miraculous materials, supernatural conductivity and paranormal photonics. Can you name one?
Recycling proponents tell us that everything that can be recycled should be. Some items, however, can use more energy to recycle than it would cost to make new ones. Are we better off throwing some things away?
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Most scientists agree that human interference in the environment has something to do with the recent trend of rising temperatures on the Earth. If we got ourselves in this pickle, what can we do about it?
The ozone layer prevents much of the sun's ultraviolet light from reaching the Earth. But there's a problem: a gaping hole the size of Antarctica. What can we do about it?
Artificial light lets us stay up through the night or feel secure in the dark. But those midnight noons push our bodies out of whack and confuse the natural world. Is there a fix for light pollution?
You probably think all parasites are disgusting little critters, but that's not always the case. Several are actually critical to the planet.
By Mark Boyer
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Relief wells made the news as a possible method to cut off the Gulf Coast oil leak, but that's not all they're used for. How do these wells prevent and stop dangerous overflows?
The idea behind a green transportation infrastructure is one that provides opportunities for people to get around their communities using their own power -- such as walking or biking. In this article we 10 ideas for greener transportation.
By Chris Warren
The transportation sector is the second largest producer of carbon dioxide emissions is the U.S. Is it possible to reduce emissions without stiffing the importing and exporting of goods? You'll discover the answer in this article.
By Dave Roos
Lots of people consider recycling to be kind of a no-brainer, something we all should do. It's good for the environment, it re-uses materials rather than creates new ones, it reduces landfills — the list goes on and on.
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Polystyrene -- the plastic used in items ranging from plastic forks to take-out boxes to life rafts -- can be recycled, but not without costs. What does it take to recycle polystyrene?
By John Kelly
What's the smartest step you can take to help reduce pollution and live in a more sustainable way?
By John Kelly
The automobile is one of the most important inventions of the past 150 years. This is not only because it provides convenient personal transport and great independence through mobility, but also because of the problems it can cause.
By Jane McGrath
Landfills have long been the final destination for garbage, but as they start to fill up, we're left to find ways to reduce our waste. What challenges are involved, and why isn't reducing waste as easy as it sounds?
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Although a certain amount of carbon dioxide (CO2) occurs naturally in the Earth's atmosphere, there are several human activities that increase levels of the greenhouse gas.
Some cities, even large ones, are making big strides in improving air quality.
By Loraine Fick