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Global warming is a phenomenon leading to gradual increase in earths atmospheric temperature due to the increase in carbon dioxide level on the planet along with the increase in the levels of other similar pollutants that cause greenhouse effect. Most of the observed temperature increase is caused by increased concentration of greenhouse gases major gases water vapor 3670% carbon dioxide 9 26 % methane 4 9 % ozone 37%. Global warming presentation 2009 global warming greenhouse. Pdf the earths climate changes through natural processes, but also as a result of our societys greenhouse gas ghg emissions. An ebook reader can be a software application for use on a computer such as. This global warming ppt presentation for students,presenters,educationist and others available for free download global warming ppt. This is an 80% increase of global percapita energy use assuming global population peaks in 2050 at around 9 billion people. Apr 23, 2017 global warming ppt and pdf free to download. Powerpoint presentation global warming and the coming. Greenhouse gases absorbs infrared radiation balance of energy of planet gets damage and. In media, it is synomonous with the term climate change. Scientists often prefer to speak about climate change instead of global warming, because higher global temperatures dont necessarily mean that it will be warmer at any given time at every location on earth.
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