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Japanese experience about environmental hazard


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I am working at KWS (Kenya Wildlife Service) in Malindi, as a volunteer of JICA. My job is teacher of environment. This presentation is about disease caused by environmental pollution throuout of economic development after World WarII in Japan.

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Japanese experience about environmental hazard

  1. 1. Japanese experience about pollution diseases Takatoshi AKAI 23-1 JOCV KWS Malindi National Park
  2. 2. Contents Major pollution disease in Japan. Itai-itai disease Minamata disease Yokkaichi asthma Niigata Minamata disease How can we avoid pollution disease in Kenya
  3. 3. Major pollution diseasein Japan. Niigata minamata disease Itai-itai disease Minamata disease Yokkaichi asthma
  4. 4. Minamata disease• Reason ⇒1950s~1960s ⇒Minamata creek in Kumamoto ⇒Waste water from Chisso co., ltd. ⇒Methyl mercury• Symptom ⇒Head ache ⇒ Cramp Etc…
  5. 5. Itai-itai disease• Reason ⇒1910~1970s ⇒ Jintsu river in Toyama Prefecture ⇒ Waste water from Kamioka copal mountain ⇒ Mitsui Metal Industry Ltd. ⇒Cadmium• Symptom ⇒ Very painful ⇒ Itai = painful
  6. 6. Yokkaichi asthma• Reason ⇒1960s ⇒Yokkaichi Industrial Area ⇒Ash from burning oil• Sad story A girl, 3rd grade in Shiohama secondary school was longing for school trip to Tokyo. She was saying “Finally, we can breeze clean air”. However, just before the school trip, she had heart attack caused by asthma and dead. She was just 15 years old.
  7. 7. Niigata Minamata disease• Reason ⇒1965 ⇒Agano river in Niigata ⇒Waste water from Showa Denko Co., Ltd. ⇒Methyl mercury• Symptom ⇒Head ache ⇒ Cramp Etc…
  8. 8. How can we avoid pollution disease in Kenya •Learn from other countries experience. •Create law to reduce emission. •Educate about environmental issues. ・ ・ ・