During the past 100 years, temperatures at the Earth’s surface increased by an estimated 1.4 degrees F.1, 2

If current patterns of fossil-fuel use continue, the concentration of carbon
dioxide in the atmosphere will double in 45 years, with drastic temperature increases predicted to occur as well.

The levels of carbon dioxide in 1750, or before industrial activity, were 270 to 280 parts per million (ppm) in the atmosphere. Today, the level is about 368 ppm – more than 30 percent higher. 3

More than 140 million Americans, 25 percent of them children, live, work and play in areas where air quality does not meet national standards. Harmful motor vehicle emissions account for between 25 and 51 percent of the air
pollutants in these unhealthy neighborhoods.

From 2000 to 2002, the number of recorded high-ozone days in the United States increased 18.5 percent.

Asthma studies in Los Angeles and Houston indicate chest discomfort increased by 17 percent with high ambient ozone levels.

The European heat wave of 2003 killed over 35,000 people. The heat wave that struck California in 2006 killed 140 people.

If every home in America replaced just one incandescent bulb with a compact fluorescent, the reduction in carbon dioxide emissions would equal taking one million cars off the road for a year. 4

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1 National Aeronautics and Space Administration (NASA). “2005 Warmest Year in Over a Century,” January 24, 2006

2 National Oceanic and Atmospheric Administration (NOAA). “NOAA Reports 2006 Warmest Year on Record for U.S.,” January 9, 2007

3 Intergovernmental Panel on Climate Change (IPCC). “Climate Change 2001: Synthesis Report, Summary for Policymakers, 2001.

4 Alliance to Save Energy.