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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.
What is clean coal technology?
science.howstuffworks.com/environmental/green-science/clean-coal.htm
Clean coal reduces the harmful emissions caused by the burning of fossil fuels. Learn about the development of clean coal and the uses for clean coal technology.
How the EPA Works
people.howstuffworks.com/epa.htm
The EPA was established in order to protect human health and the environment. Learn more about the EPA and some of the duties the EPA performs.
Will we soon be extinct?
science.howstuffworks.com/life/evolution/mass-extinction.htm
A mass extinction on Earth is long overdue, according to population ecologists. Find out what Earth's fossil record may be telling us about our future.
How Self-cleaning Paint Works
auto.howstuffworks.com/under-the-hood/trends-innovations/self-cleaning-paint.htm
Will self-cleaning paint be an option on your next new car? Learn about self-cleaning automotive paint at HowStuffWorks.
What can you do to reduce your car's emissions?
auto.howstuffworks.com/reduce-your-cars-emissions.htm
What can you do to reduce your car's emissions? Visit HowStuffWorks.com to learn how to reduce your car's emissions.
What's the Earth's biggest threat to biodiversity?
science.howstuffworks.com/environmental/conservation/issues/biggest-threat-to-biodiversity.htm
The biggest threat to biodiversity on Earth is explained in this article from HowStuffWorks. Learn about the biggest threat to biodiversity.
If You Were a Planet, Which One Would You Be?
play.howstuffworks.com/quiz/you-were-a-planet-which-one-would-you-be
There are eight or nine of them, depending on how you count, all very distinct from each other. Which one are you most like?
How will population growth affect energy?
science.howstuffworks.com/environmental/energy/population-growth-affect-energy.htm
The world is growing at an amazing rate. Currently, the Earth’s population is growing by 60,000 people every eight hours -- that’s two children born every second somewhere around the globe.
7 Ways to Make Your Whole Vehicle Last Longer, From Wheels to Wipers
auto.howstuffworks.com/under-the-hood/vehicle-maintenance/vehicle-wheels-wipers.htm
Discover 7 Ways to Make Your Whole Vehicle Last Longer, From Wheels to Wipers. Keep reading to learn ways to make your whole vehicle last longer.