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Project aim: what is ozone depletion?

Project aim: what is ozone depletion?. BY-Hemlata Shelake Ankita Kshatriya. What is ozone. A colorless gas Highly reactive gas Composed of three oxygen atoms Two kinds of ozone – Good and Bad Good Ozone: protects us from the sun’s ultraviolet radiation.

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Project aim: what is ozone depletion?

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  1. Project aim: what is ozone depletion? BY-Hemlata Shelake Ankita Kshatriya

  2. What is ozone • A colorless gas • Highly reactive gas • Composed of three oxygen atoms • Two kinds of ozone –Good and Bad • Good Ozone: protects us from the sun’s ultraviolet radiation. • Bad Ozone: Ozone pollution or smog.

  3. What is ozone depletion? • The continent-size hole in Earth's ozone layer keeps getting bigger and bigger.

  4. ODS (Ozone Depleting Substances) • Substances (ODSs) are those substances which deplete the ozone layer. • Used in refrigerators, air conditioners, fire extinguishers, in dry cleaning, agricultural fumigants.

  5. Name of ozone depleting substances • Chlorofluorocarbons (CFCs), • Hydro chlorofluorocarbons (HCFCs), • Halons, • Methyl bromide, • Carbon tetrachloride, and • Methyl chloroform.

  6. Effect on Environment • Temperature • Agriculture • Health • Rainfall

  7. Environmental Effects of Ozone Depletion

  8. Effect On Temperature • The term "climate change" is known as "global warming."  • Temperature is rise by 2-3 degree. • This term is also known as green house effect.

  9. Effect On Agriculture • World Health Organization estimates that a quarter of the world's disease burden is due to the contamination of air, water, soil and food • Solar radiation, temperature, and precipitation are the main drivers of crop growth; therefore agriculture has always been highly dependent on climate patterns and variations

  10. Effect On Health • The list of infectious diseases influenced by UV-B exposures continues to grow. • Ozone depletion and climate change may interact to enhance the spread and/or severity of a number of diseases

  11. Effect On Rainfall

  12. Sources of ODS

  13. Control Measures • Plant trees and don't burn plastics. We really have very little control over the issue. • Buy air-conditioning and refrigeration equipment that do not use HCFCs as refrigerant. • Regular inspection and maintenance of air-conditioning and refrigeration appliances

  14. Do the motor vehicle air-conditioners servicing regularly.

  15. Refferences • http://www.climate.org/topics/climate-change/index.html • http://www.climate.org/topics/health.html • http://www.climate.org/topics/agriculture.html • http://www.gcrio.org/ozone/unep2000summary.html

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