Global Warming 04 : Certain natural and human-produced gases prevent the sun's energy from escaping back to space leading to an overall rise in the temperature of the Earth's atmosphere
NOAA/National Weather Service NOAA Center for Weather and Climate Prediction, Climate Prediction Center, Climate Glossary, University Research Court,College Park, Maryland, USA 2004. http://www.cpc.ncep.noaa.gov/products/outreach/glo ssary.shtml, (Wthr - Amer) {862}