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
The Cleanest Lakes in the U.S. Aren't the Same as the Clearest
Declaring the Largest Mountain in the World Is Complicated
How Do You Measure the Largest Waterfall in the World?
How a Lithium Mine Works and Impacts Local Communities
How to Sell Electricity Back to the Grid
Are there any risks associated with the production of wind energy?
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 2
We know that paper comes from trees, but just how much does it take? Let's do the math and figure out how much paper your average tree can be made into.
During the summer I am always hearing about ozone warnings in my city. This ozone is bad. But then I hear about the ozone layer, which is good. How can ozone be both good and bad?
Recycling is a pretty simple concept: take something that isn't useful anymore and make it into something new. Learn about the process and the good and bad of recycling.
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While actual footprints measure size, weight and speed, carbon footprints measure how much carbon dioxide (CO2) we produce in our daily lives. Do you know how big your carbon footprint is?
By Sarah Dowdey
Eco-conscious people purchase carbon offsets to help reduce worldwide greenhouse gas emissions. But do offsets actually help, and what does Pink Floyd have to do with them?
By Sarah Dowdey
Global warming has become a common term, but it’s not commonly understood. Learn about global warming and the greenhouse effect.
We'd be up a creek without Earth's atmosphere and the greenhouse effect it provides, but it turns out that an overactive greenhouse effect can result in a similarly devastating outcome.
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Organic food promises freedom from synthetic ingredients. Find out what organic food is, how organic farming works, what the pros and cons are, and why you should care.
By Robin Brett Parnes
It's evident the debate over climate change is a heated one. Are skeptics clouding the public judgment for money? Are climate-change believers merely alarmists who risk the present for the future?
By Josh Clark
Crews have to race to contain the damage from major oil spills to prevent damage to beaches, death to marine life and birds, and devastation to local wetlands. So how do they clean them up?
By Josh Clark & Sarah Gleim
Consumers are becoming more and more knowledgeable about food safety and their health. As a result, organic farming has entered the agriculture mainstream. But what methods must be used, and how is organic farming certified?
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Right now, landfills are all over the place. Yet, no one wants to live near one. So, what if we combined all of those landfills into one? How much space would it take up?
No one likes paying bills. But you wouldn't have quite so many if you lived off the grid. How do you create enough energy to ditch public utilities?
Thousands of women around the world choose to combat ecological problems -- they're known as ecofeminists. But what would you do if you found out your house sat atop a toxic waste dump?
Polar bears are facing a grim future as global warming melts their Arctic home. What problems are they up against and what's being done to save them?
By Julia Layton
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How do we reduce greenhouse gas emissions? A carbon tax is one answer. A simpler alternative to cap-and-trade schemes, a carbon tax encourages energy efficiency and reduced consumption.
By Sarah Dowdey
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.
Forest-fire prevention has been a touchstone of American consciousness since the creation of Smokey the Bear in the 1940s. But now, environmental experts believe that some amount of fire is good for the forest too.
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
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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.
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
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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?