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Global Warming

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Published in: Geography
8,563 Views

This ppt will demonstrate what is global warming and what are its effect on environment

Nihar H / Ahmedabad

11 years of teaching experience

Qualification: B.Com (VNSGU - 2010)

Teaches: Chemistry, English, Mathematics, Physics, Zoology

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  1. Global
  2. Global warming is the increase in the of the Earth's near- tern perature average surface air and oceans since the mid-20th century and its projected continuation
  3. The Global surface temperature has increased by almost Idegree Celsius during the last 100 years. 0.6 Global Temperatures Annual Average Five Year Average 02 -0.2 -0.4 -0.6 1860 1880 1900 1920 1940 1960 1980 2000
  4. How fast will the Earth warm up in the next 100 years? Global Warming Projections — CCSR/NIES CCCma CSIRO Had ley Centre GFDL MPIM — NCAR PCM NCAR CSM 5 4 3 2 1 0 o 3 1900 1950 2000 2050 2100
  5. Global Warming Predictions 2070•21 CO Temperature Increase CC)
  6. Main cause of global warming the increase in atmospheric greenhouse gases due to human activity has caused most of the warming observed since the start of the industrial era The greenhouse effect is the process by which absorption and emission of infrared radiation by atmospheric gases warm a planet's lower atmosphere and surface..
  7. GreenhOUSe gases The major greenhouse gases are: water vapor, which causes about 36—70 percent of the greenhouse effect carbon dioxide (C02), which causes 9—26 percent; methane (CH4), which causes 4—9 percent; and which causes 3—7 ozone percent Greenhouse effect ozone co Water vapor
  8. Enviromental consequences An increase in global temperatures may in turn cause broader changes, including glacial retreat Arctic shrinkage, and worldwide sea level rise Changes in the amount and pattern of precipitation may result in flooding and drought There may also be changes in the frequency and intensity of weather events. Other effects may include, species extinctions and increases in the range of disease vectors
  9. The future of our planet is in our hands.

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