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10 Amazing Green Cities
science.howstuffworks.com/environmental/green-science/five-amazing-green-cities.htm
Sure, the Emerald City looked green, but you won't need green-tinted glasses to see how environmentally friendly the cities on this list are. What makes a city amazingly green?
How Dual Flush Toilets Work
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Dual flush toilets handle solid and liquid waste differently from the standard toilet. Find out how dual flush toilets get rid of waste.
How Rain Barrels Work
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Rain barrels are containers designed to trap and store rainwater. Learn more about rain barrels and if one is right for you.
10 Facts About the LEED Ratings System
10 facts about the LEED ratings system are explained in this article by HowStuffWorks.com. Check out this article to learn 10 facts about the LEED ratings system.
10 Fake Scarcities
science.howstuffworks.com/science-vs-myth/everyday-myths/fake-scarcities.htm
What are 10 scarcities that are not really scarcities? Learn more about fake scarcities at HowStuffWorks.
5 Ideas for Doubling the World's Food Supply
With the world's population expanding and its arable land shrinking, how in the world are we going to have enough food to feed everyone? Here are five ways.
10 Legendary Baseball Curses
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What are some legendary baseball curses? Learn about legendary baseball curses at HowStuffWorks.
How Tankless Toilets Work
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Tankless toilets, which conserve water and take up less space than standard models, are common in public restrooms and some urban homes. Are the benefits worth having one in your home?
How Gray Water Reclamation Works
science.howstuffworks.com/environmental/green-science/gray-water-reclamation.htm
Gray water reclamation is a developing way to reduce water waste and go green. Find out how gray water reclamation works.
How Seed Banks Work
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Seed banks store our world's seeds, in case disaster wipes out a plant species. Find out how seed banks protect our future.