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Lecture

March 19th 2014.docx

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School
Wilfrid Laurier University
Department
Philosophy
Course
PP224
Professor
Melany Banks
Semester
Winter

Description
March 19  2014 Climate Change cont.  Essay question: Last three weeks  Political Inertia ­ With what we know about climate change, why are we not acting? o Harm to future people  o Hard to understand   Always going to be a case of probabilities  o Opportunity costs/trade­offs o We will fix it before it gets that bad  ­ Canadian government plans to reduce greenhouse gas emissions by 20%  below 2006 level by 2020 (3% below 1990 levels) ­ 2009 report from the David Suzuki Foundation and Pembina institute showed  that Canada could meet Kytoto protocols and experience economic growth  (just 3.2% less than business­as­usual) Gardiner “Saved by Disaster?” ­ Giant climate change cause weather system destroys Toronto ­ Hong Kong in shambles after Climate Change Caused storm ! ­ Australia abandoned after climate change caused drought! Abrupt Climate Change ­ First IPCC report (1990) projected a rise in global temperature at an average  of 0.3C per decade, at an economic cost of 1.5­2% of gross world product.  ­ However – recent research suggests that the climate system is not this regular.  There are certain thresholds if crossed with have catastrophic consequences  ­ Main point is that it is not steady Climate Thresholds ­ North Atlantic meridional overturning circulation (MOC) may collapse in a  threshold response ­ Result will be a loss of a lot of marine life systems and in land effects too  Intergenerational Issues ­ Buffer in­between all  ­
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