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To spray or not to spray?. Presented by Rita Pakalniskyte Marie-Helene Pech Marcin Otorowski Iris Müller Anne-Laure Maire sse. Case background. DDT – D ichloro – D iphenyl - T richloroethane DDT as a way of preventing malaria Malaria facts : 2-3 milli on deaths annualy

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to spray or not to spray

To spray or not to spray?

Presented by

Rita Pakalniskyte

Marie-Helene Pech

Marcin Otorowski

Iris Müller

Anne-Laure Mairesse

case background
Case background
  • DDT – Dichloro–Diphenyl-Trichloroethane
  • DDT as a way of preventing malaria
  • Malaria facts:
    • 2-3 million deaths annualy
    • 350 – 500 million people affected
    • Economic loss (1/2 billion dollars per year)
    • Threat of 40% world population
    • Mostly affect poor, developing countries
  • Since 1939 DDT is commonly used for fighting against malaria
the problem
The problem
  • Long half-life length (up to 15 years),
  • Bio-accumulates in human body and environment,
  • Passedfrommotherto infants during breast feeding
  • No one ever died from sprayed DDT
  • No proofs that it cannot lead to death nor environment pollution (asbestosexample).
  • UNO considers banning usage of DDT -> less polluted environment but higher amount of malariainfections.

Environment vshuman life

slide4

Principal values for decision

  • Human health and life
  • Natural environment
  • Financing

Possibleoptions

the choice
The choice

Marie:

„We should not ban DDT. It can save many people. I am aware of risk, but the benefits aredefinitely worth it”

Marcin:

„We should ban DDT. We can’t afford such a high risk, and be responsible for its effects”

two methods of making this decision
Twomethodsof makingthisdecision

Risk / Benefit analysis

Precautionary principle

the decision
The decision
  • Awareness of difficulty of choice
  • Complex issue
  • Choosing less evil solution
  • Ethical and moral problem
  • Consequences
  • Our solution – to limit usage of DDT