Scientists already know what is causing global warming and we are all contributing to it with our wasteful attitude and shortsightedness. We burn too much fossil fuel and massive deforestation of natural woodlands and forests continue unabated. Fossil fuels are pretty much pure carbon, laid down by the Earth over thousands and thousands of years. According to the folks at Environmental Defense, whenever you save energy-or use it more efficiently-you reduce the demand for gasoline, oil, coal, and natural gas. Less burning of these fossil fuels means lower emissions of carbon dioxide, the major contributor to global warming.. Right now the US releases about 50,000 pounds of carbon dioxide per person each year. If we can reduce energy use enough to lower greenhouse gas emissions by about two percent a year, in ten years we will lose about 10,000 pounds of carbon dioxide emissions per person.
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