Nats 1840 - Lecture 19

Nats 1840 - Lecture 19 - NATS 1840 Lecture 19 Global...

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NATS 1840 Lecture 19 – Global Warming - Global warming has become a prominent public environmental issue over the last 20 years - It is an interesting case as it touches upon the issue of human impact on the environment, in the same way our first reading (on extinctions in the late quaternary) did - There have been significant public debates over the very existence of human-caused global warming, and the disagreements have, for the most part, fallen along traditional liberal/conservative lines - By the 1980's it was realized that the scientific evidence for global warming was strong enough that it was certain to occur, but how exactly it would occur was hard to predict - There is a fundamental problem with global climate predictions, it is not possible to run experiments with the Earth as a whole, you instead have to rely on complex computer models to make predictions - the Intergovernmental Panel on Climate Change (IPCC) was charged with the task of giving policy advice on what to do about global warming - The IPCC set up working groups to study the different problems associated with global warming, and arrived at consensus on some of the most significant claims - The IPCC made the decision to only go forward with well-established claims of universal consensus, including input from political representatives of countries which
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Nats 1840 - Lecture 19 - NATS 1840 Lecture 19 Global...

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