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14-02-2011, 11:03 AM
19667569-Global-Warming-Ppt.pdf (Size: 2.25 MB / Downloads: 60)
From The Stone Age to the modern eraman has come a long way. In his pursuitof comforts of life he ignored the threatof pollution and environmentaldegradation caused by industrialization.Global warming is not new as thisprocess occurs naturally and keeps theEarth’s temperature about 50 degrees.Fahrenheit warmer than it would beotherwise
What is GREENHOUSEEFFECT ?
Gas in the atmosphere, such a water, carbondioxide, methane, CFCs and nitrous oxide,absorb infrared light and would otherwiseescape to space, radiating it back towards theplanet’s surface. These gases are called ‘ greenhouse gases’and they have a critical role in determining thetemperature of the Earth’s surface and theliving conditions on the planet.
Effect on Global Warming ?
Earth’s surface to a new high of 14.57 degreecentigrade. Rise in temperature was marked by unusuallysevere weather in many parts of the world.The irony of this global warming is that while itcould reduce climatic changes by dryingup rains.It could also raise sea levels with disastrous