What are greenhouse gases?
Greenhouse gases in the atmosphere trap heat to the earth’s surface, making it livable. But now we have too much of a good thing. Burning materials like wood, coal and oil are putting too many gases in our atmosphere. Two thousand scientists from around the world agree that the earth is getting warmer as a result of human activity. The Fourth U.S. Climate Action Report stated that carbon dioxide emissions have risen 20 percent since 1990-2004 and are still climbing. We can reverse this by using new energy sources such as geothermal, wind, or solar. And by reducing our use of fossil fuels through carpooling, insulating our homes, our everyday choices about commuting, housing, electricity use and recycling can reduce the amount of greenhouse gases emitted.
