Search Results | pollution control
Your search for "pollution control" returned 324 results
Is Ethanol Bad for Your Car?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/ethanol-damage-engine.htm
Specially engineered Flexible Fuel Vehicles (FFVs) can tolerate an E85 mixture of gasoline and ethanol. But will ordinary cars and trucks be able to stand up to the new blend?
Alex Jones and InfoWars: Fact or Tinfoil Fiction?
people.howstuffworks.com/alex-jones-and-infowars-fact-or-tinfoil-fiction.htm
InfoWars publisher Alex Jones regularly espouses conspiratorial stories. Stuff They Don't Want You To Know looks at whether they are fact or fiction.
How Organic Food Works
science.howstuffworks.com/environmental/green-science/organic-food.htm
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.
How to Determine Your Skin Type
health.howstuffworks.com/skin-care/information/skin-types/determine-your-skin-type.htm
Ever wonder how to determine your skin type? Visit HowStuffWorks to learn how to determine your skin type.
Can You Identify These 40 Occupations From an Image in 7 Minutes?
play.howstuffworks.com/quiz/can-you-identify-these-40-occupations-from-an-image-in-7-minutes
Do you remember what you wanted to be when you grew up? See how many of these careers you can name from just a clue. But hurry! You're racing against the clock in this "seven minutes or less" quiz of your occupation smarts.
How Green Pavement Works
science.howstuffworks.com/environmental/green-science/green-pavement.htm
Green pavement is porous, meaning that it permits water to seep through to the ground. Learn why green pavement is good for the environment.
How Water Works
science.howstuffworks.com/environmental/earth/geophysics/h2o.htm
Water is the most essential element to life on Earth. Learn about water, the properties of water and find out how the water cycle operates.
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.
What's the energy efficiency ratio for hydrogen fuel cells?
What's the energy efficiency ratio for hydrogen fuel cells? Keep reading to learn about the energy efficiency ratio for hydrogen fuel cells.
Secondhand Smoke Basics
health.howstuffworks.com/wellness/drugs-alcohol/understanding-secondhand-smoke-ga.htm
Secondhand smoke is far more harmful than was originally thought. Learn about the hazards of secondhand smoke and what you can do to lessen the risks.