Emission facts and facts about emissions.
5 facts on this shelf
If your family could use only renewable energy for all your energy needs, you could help reduce the amount of emissions in the air each year by 20,000 pounds of carbon dioxide, 70 pounds of sulfur dioxide and 50 pounds of nitrogen oxide.
In 1990 in California alone, wind power offset the emission of more than 2.5 billion pounds of carbon dioxide and 15 million pounds of other pollutants - the same amount of air quality provided by more than 150 million trees.
Replacing an electric water heater with a solar model can reduce water heat costs by 50 to 80 percent every year - and over the 20-year life of the equipment, more than 50 tons of carbon dioxide emissions will be displaced.
The Honda Civic's CVCC engine met strict 1970s US Clean Air Act emissions standards without needing a catalytic converter.
Hydrogen fuel cell vehicles combine hydrogen with oxygen to make electricity, and their only tailpipe emission is water.