GLOBAL WARMING

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Global warming is the increase of earth’s temperature in the atmosphere and sea level.  The sun’s energy heats up the earth and causes the weather and climate to change.

The effects of the warming can both harm the environment and the life of humans. The warming of earth’s atmosphere can cause important changes to the earth. Global warming can cause the sea level to rise because of the melted ice glaciers. When the water gets too warm, it would increase and cause coastal cities to flood. Global warming can also lead to dangerous storms such as hurricanes, droughts, and tornados.

Source: Parks, Peggy J. Global Warming. Farmingtion Hills: Lucent Books, 2004.
“Global Warming.” Natural Resources Defense Council.  26 July 2006 <http://www.nrdc.org/‌globalWarming/‌default.asp>.
“Global Warming.” Union of Concerned Scientists. 25 July 2006.  26 July 2006 <http://www.ucsusa.org/‌global_warming/>.