SCIE 1P50 Lecture Notes - Garrett Hardin, Rachel Carson, Dieldrin

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Published on 9 Oct 2011
School
Brock University
Department
Science
Course
SCIE 1P50
1Dr. Caroline Starrs
Science 1P50 Lecture September 23/11
Rachel Carson
Silent Spring (book) 1962
Chemical Control
Integrated Pest Management (IPM)
Silent Spring
And No Birds Sing
DDT moto
DDT is good for me-e-e
University sprayed a tree with DDT
(Results found)
Needless Havoc
Department of Argricultire, IL
1954-1961
Dieldrin
50 times more toxic then DDT
Got in food chain – animals died
12 of the most toxic agents later banned or strictly controlled
Tragedy of the Commons
Garrett Hardin (1916-2003)
Ecologist
Global Commons
Showed by people on the planet
“…what is common to the greatest number of people gets the least
amount of care…”
Him and his wife got ill and committed suicide – 2003
Decided that they were no longer productive to society and
committed sucidied in 2003
The “tragedy of the commons” emerges whenever the benefits to an
individual of (over-) exploiting on common resources exceed that
individuals share of the resultsing damage costs
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Document Summary

Rachel carson: silent spring (book) 1962, chemical control, silent spring. Ddt moto: ddt is good for me-e-e. University sprayed a tree with ddt (results found: needless havoc. Got in food chain animals died: 12 of the most toxic agents later banned or strictly controlled. Tragedy of the commons: garrett hardin (1916-2003) What is common to the greatest number of people gets the least amount of care . Him and his wife got ill and committed suicide 2003. Decided that they were no longer productive to society and committed sucidied in 2003. The tragedy of the commons emerges whenever the benefits to an individual of (over-) exploiting on common resources exceed that individuals share of the resultsing damage costs. Origins of commons: all farmers have access to enclosed commons . For many global problems it is impossible to control access. Each user is capable of subtracting from general welfare. But natural ecosystems suffered most in communist countries.