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Lecture 18--Environment--abbrev--oldppt

Lecture 18--Environment--abbrev--oldppt - Environment Is...

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Environment
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Is Environment Getting Better or Worse? Improvements in local and national air and water quality in US and other developed countries. But other problems worsening: over fishing, deforestation, global warming, etc.
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Global Warming CO2 and other gasses form “greenhouse effect”
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Consequences - raising sea levels, causing droughts and storms, and disrupting ecosystems, crop productivity, ocean acidification - self-sustaining processes: - melting polar ice-caps cool less and reflect less light/heat - thawing permafrost releases more g.h. gasses
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Kyoto 1997 Kyoto Protocols, formally in effect since 2004 - U.S. and other developed countries were to reduce g.h. gasses below 1990 levels by 2012 1997-’01 Senate fails to ratify the treaty 2001 Bush dismisses Kyoto Protocols cites insufficient evidence, too great costs Developing countries, like China and India exempted
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California jumps in “pavley law” 30% reduction of car GHG by 2016 Detroit and Bush attack in court http://www.pbs.org/now/science/caautoemissions2.html# http://www.pbs.org/newshour/bb/environment/jan-june05/california_3-28.html#
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