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Global warming

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Global warming

  1. 1. HIGHLIGHT THE CAUSES ANDEFFECTS OF GREENHOUSE GASES .UNDERSTAND WHAT ALL IS GLOBALWARMING AND WAYS O REDUCE IT.FURTHER STEPS TO BE TAKEN UP BY THECOMMON PEOPLE TO PREVENT ALL THIS INFUTURE.
  2. 2. Greenhouse effect103 Watt per m3 343 Watt per m3 240 Watt per m3Source: Intergovernmental Panel on Climate Change
  3. 3. Source: Stern Review
  4. 4. Global warming is the increase in theaverage measured temperature of the Earthsnear-surface air and oceans since the mid-20th century, and its projected continuation. The average global air temperature near theEarths surface increased 0.74 ± 0.18 °C(1.33 ± 0.32 °F) during the 100 years endingin 2005. Source: Intergovernmental Panel on Climate Change
  5. 5. •The primary human-related cause of globalwarming is the burning of fossil fuels like oil,coal, and natural gas..•We have also put more methane, ozone, andother greenhouse gases into the atmospherethrough industrial and agricultural production.•We use fossil fuels every day to power our cars,to light and heat (or cool) our homes, tomanufacture goods, and to grow food.• CO2 – increased 30% since last industrialrevolution.• Methane- increased by 150%
  6. 6. •The largest glacier on Mount Kenya has lost 92% of itsmass•Sea levels have risen by 10 - 25 cm•The thickness of sea ice in the arctic has decreased by40%.
  7. 7. o Himalayan source of the Ganga - drying up at a rate of 40 yards a year (twice as fast as two decades ago)o Some of these glaciers might disappear by 2030.o In the dry summer months, the Gangotri glacierprovides up to 70 percent of the water of the Ganga.o According to a UN climate report, the shrinkingglaciers also threaten Asia’s supply of fresh water.
  8. 8. THANK YOU

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