To spray or not to spray
Download
1 / 9

To spray or not to spray? - PowerPoint PPT Presentation


  • 145 Views
  • Uploaded on

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

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about ' To spray or not to spray?' - wells


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
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


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


Risk benefits analysis vs precautionary principle
Risk/benefitsanalysisvsprecautionaryprinciple


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


ad