Environment

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a presentation on scope and imporatance of environment

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Environment

  1. 1. ENVIRONMENT SCOPE & IMPORTANCE
  2. 2. WHAT IS ENVIRONMENT ?
  3. 3. THE FOUR SPHERES
  4. 4. ATMOSPHERE  Sustains Ecosystem 78% Nitrogen 21% Oxygen 1% Argon & other inert gases Air contains water vapour & water droplets seen as CLOUDS
  5. 5. CLIMATE Temperature Humidity Atmospheric pressure Wind Rainfall Other Meteorological Elements
  6. 6. HYDROSPHERE  It is the liquid component of Earth  It covers 70% of Earth’s surface  97% is ocean water  Only 3% is fresh water
  7. 7. ECOSYSTEM An ecosystem is a natural unit consisting of all plants, animals and micro-organisms (biotic factors) in an area functioning together with all of the non-living physical (abiotic) factors of the environment.
  8. 8. POPULATION EXPLOSION
  9. 9. Rising CO2 Level
  10. 10. Polar Sea Ice Loss
  11. 11. Destruction Of Rain Forest
  12. 12. IMPORTANCE Biodiversity provides problem-solving raw materials for shelter and useful products. Provides medicines  Allows us to pollinate and maintain healthy crops  Forests prevent soil erosion, landslides, and flooding Maintain the purity of the air and water Temper climatic fluctuations

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