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What is the urban heat island effect?
science.howstuffworks.com/environmental/green-science/urban-heat-island.htm
Cities are often hotter than rural areas because of the urban heat island effect. Learn what an urban heat island is.
Can You Really Use Vegetable Oil to Fuel Your Car?
auto.howstuffworks.com/fuel-efficiency/fuel-consumption/vegetable-oil-fuel.htm
Could vegetable oil really become commonplace as a fuel? While it certainly is an option for some engines, vegetable oil is a long way from being the fuel alternative of the future.
Alternative Treatments for Cataracts and Macular Degeneration
Cataracts can become a major problem as people age, but there are alternative treatments that combat the degeneration of the eyes. Learn more.
How Photo Sharing Works
computer.howstuffworks.com/internet/basics/photo-sharing.htm
Did you know that there's a way to share your photos with your family and friends without having to lug around a photo album? Enter photo-sharing Web sites.
Is the amount of mercury in CFLs more dangerous than the amount in fish?
science.howstuffworks.com/environmental/green-science/cfl-mercury.htm
Mercury in CFLs and fish are the best known sources of mercury exposure. Learn about mercury in CFLs and fish and find out which should cause more concern.
How to Back Up a Hard Drive
electronics.howstuffworks.com/how-to-tech/how-to-back-up-hard-drive.htm
If you back up your hard drive, you can save yourself headaches in the future if you should lose your files. Learn how to back up your hard drive.
What is the emission certification standard?
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/emission-certification-standard.htm
What is the emission certification standard? Find out what the emission certification standard is at HowStuffWorks.
What is the world's cheapest alternative fuel car?
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/cheapest-alternative-fuel-car.htm
The world's cheapest alternative fuel car is currently the Tara Tiny. Read about the world's cheapest alternative fuel car in this article.
How Volunteer Work for Teens Works
money.howstuffworks.com/economics/volunteer/opportunities/volunteer-work-for-teens.htm
Volunteer work for teens can help them get into great colleges. Learn all about volunteer work for teens at HowStuffWorks.
Are solar-powered vehicles still a possibility?
auto.howstuffworks.com/fuel-efficiency/vehicles/solar-powered-vehicle-possibility.htm
Will there ever be a day when we'll use a solar-powered car as our main form of transportation? Find out if a solar-powered car is still a possibility?