Search Results | pollution control
Your search for "pollution control" returned 327 results
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.
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.
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.
How Does a Silencer Work?
science.howstuffworks.com/question112.htm
How in the world can a gun silencer work? How can you possibly take an explosive noise that can damage your hearing and turn it into a little "ffft" sound?
How the Ford Escape Hybrid Works
auto.howstuffworks.com/ford-escape.htm
The Ford Escape Hybrid offers fuel economy combined with horsepower and cargo space. Find out about the Ford Escape Hybrid's full hybrid system and features.
Northern Water Snake: Nonvenomous and Ecologically Essential
animals.howstuffworks.com/snakes/northern-water-snake.htm
The northern water snake (Nerodia sipedon) is a common and widespread nonvenomous snake in North America. These aquatic snakes typically live in and around freshwater bodies - lakes, rivers and wetlands - where they play a crucial role in the ecosystem.
10 Cancer Myths
health.howstuffworks.com/diseases-conditions/cancer/facts/10-cancer-myths.htm
10 cancer myths will expose the truth about cancer. Learn more about 10 cancer myths at Discovery Health.
What Does a Thermostat Do in a Car?
auto.howstuffworks.com/how-does-the-thermostat-in-a-cars-cooling-system-work.htm
How does the thermostat in a car's cooling system work? I had to test my thermostat today and was amazed as I watched it!
Scientists Develop Quick-Growing Coral Method to Save Dying Reefs
Coral grows faster when it's cut or broken and scientists are taking advantage of that to replenish depleted reefs.
How Automotive Exhaust Systems Work
auto.howstuffworks.com/automotive-exhaust-system.htm
What does an automotive exhaust system do? Read about the purpose of your car's exhaust system at HowStuffWorks.