envs 100 lecture 3

envs 100 lecture 3 - Ecology and Society Carsons Core...

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10/2/10 1 Ecology and Society Sept 30, 2010 Today Notetaker position available: contact DRC Carson, DDT, and evolution of resistance Case study I: reserves and the atmosphere The Endangered Species Act Carson’s Core Argument “The obligation to endure gives us the right to know.” Jean Rostand Three ways she mobilizes concept of evolution against misuse of pesticides Three ecological factors behind modern pest problems d ichloro- d iphenyl- t richloroethane • a p ersistent o rganic p ollutant (POP) • An organochloride • Half life: 2-15 years • Metabolic products accumulate in fatty tissue UCSC Predatory Bird Research Group Peregrine falcon Birds Insects Plants Soils, Air
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10/2/10 2 To this day: bald eagles in a California National Park DDT policy • 1962: Silent Spring published • 1968: Hungary first country to ban DDT • 1972: U.S. ban implemented • 2001: Stockholm Convention – 98 countries, outlawed many POPs, restricted DDT to vector control for public health. DDT • Still controversy over Carson and DDT today . Competitive Enterprise Institute, 2007 “The outcome of the treaty is arguably better than the status quo going into the negotiations…For the first time, there is now an insecticide which is
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envs 100 lecture 3 - Ecology and Society Carsons Core...

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