Environmental Awareness

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the environmental awareness and issues of environment problem

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Environmental Awareness

  1. 1. Environmental Awareness 1
  2. 2.  Definition environment - Surroundings in which an organization operates including air, water, land, natural resources, flora and fauna, human and their interrelationship. 2
  3. 3. Environmental Awareness water Land Air flora & fauna 3
  4. 4.  5 key of environment receptors:  Air  Water  Land/soil  Nature sources  Community 4
  5. 5. Important of environment  Food chain - A group of organisms interrelated by the fact that each member of the group feeds upon on the one below it and is in turn eaten by the organism above it in the chain.  Ecosystem - is a community of living organisms (plants, animals and microbes) in conjunction with the non-living components of their environment (things like air, water and mineral soil), interacting as a system. 5
  6. 6. Air pollution  What is air pollution ? - Air pollution occurs when the air contains gases, dust, fumes or odor in harmful amounts which could be harmful to the health or comfort of humans and animals or which could cause damage to plants and materials.  pollutants produced by human activity :  Open burning  Combustion Engine Exhaust  Plant emissions  Pesticides used  Radioactive fallout  Fertilizer dust 6
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  8. 8. Effects  Acid rain  Global warming  Effects of green house  Respiratory problem  The thinnest ozone layer 8
  9. 9. Water pollution  is the contamination of water bodies are pollution occurs when pollutants are discharged directly or indirectly into water bodies without adequate treatment to remove harmful compounds. 9
  10. 10. Soil pollution  caused by the presence of xenobiotic (human-made) chemicals or other alteration in the natural soil environment. 10
  11. 11. Environmental nuisance Noise Heat Dust What is noise? Mechanism noise Control measure Effects Health effects Control measure Definition heat stress Type of heat stress Control measure regulation 11
  12. 12. Noise  What is noise? - Unwanted sound or undesirable by listener. 12
  13. 13. Mechanism Noise Ear canal Ear drum ossicles Oval window cochlea Auditory nerve 13
  14. 14. Effect of noise  Tinnitus  Deaf  Acoustic trauma  Permanent threshold shift (PTS)  Temporary threshold shift (TTS) 14
  15. 15. Control measures  Sound monitoring instrument - personal monitoring  Dosimeter  Dose badge - environmental monitoring  Sound level meter  Audiometer  Audiograms  Audiometric test  Hearing protection  Ear muffs  Ear plugs  Helmet enclose  Ear canal cap 15
  16. 16. Regulation  Factory and Machinery Act 1989 (Noise Exposure)  Requirements:  A permissible exposure limit is established.  Method of compliance is by engineering or administrative controls.  Initial and ongoing monitoring is specified for employees exposed above the action limit.  Employees must be provide hearing protection when exposed above the PEL.  An audiometric testing program must be provide for all employees who exposed above the action limit. 16
  17. 17. Heat  What is heat stress? - Environment is too hot, the body is not able to cool fast enough.  Type of heat stress  Heat stroke  Heat exhaustion  Heat syncope  Heat cramps  Heat rash 17
  18. 18. Control Measures  Wear light-colored, loose-fitting, breathable clothing such as cotton.  Take a breaks.  Provides water to workers.  Wet Bulb Global Temperature (WBGT) 18
  19. 19. Dust  What is dust? - consists of particles in the atmosphere that come from various sources.  Health effects:  Respiratory problem  Asthma  Coughing 19
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