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Lecture 8

Lecture 8 - Nuclear Power 3

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York University
Natural Science
NATS 1760
Darrin Durant

Hard vs Soft Energy Paths Soft (Lovins, pp. 243-244) Flexible, resilient, sustainable, benign 1. Renewable (sustainable is best) 2. Diverse (probably decentralized) 3. Flexible (low-tech) 4. Scale and geographic distribution matched to end use needs 5. „Energy quality‟ matched to end-use needs Hard 1. Sustained growth in energy consumption 2. Maximize supply by squeezing all domestic resources 3. Structure - Centralized, bypasses the market, concentrated political power, urbanization, huge and high-tech Highlights From The Video - Economics no longer favours infinite growth of electrical consumption, but a levelling off instead (5:07) - Jimmy Carter Does increasing fuel efficiency lead to The Rebound Effect (William Stanley Jevons 1835-1882, The Coal Question 1865) - It is a confusion of ideas to supposed that the economical use of fuel is equivalent to diminished consumption. The very contrary is the truth Jevons‟ Paradox (1865) - Khazzoom-Brookes Postulate (1980‟s) - Daniel Khazzoom and Leonard Brookes - Increased Correlation and Cause - Between 1993 and 2005, AC efficiency increased by 28% - But in USA, homes with AC increased their energy consumption by 37% - So… - Did greater efficiency CAUSE increased consumption? - NO… (are you recalling Chabris & Simons, Chap.28) - Inflation increased by 30% - The more you have the more you buy, including cool air - Homes got 16% bigger - Homes with AC increased from 38% - 75% Canada’s recent environmental history - 2008 (Climate change performance index - Canada ranked 56 of 57 countries in terms of tackling emissions - 2009 (Conference Board of Canada) - Canada ranked 15 of 17 wealthy industrialized nations on environmental performance Canada Today – The Colossal Fossil OECD data… - Canada now the worst record of all G8 countries with respect to greenhouse gas - Fossil of the Year 2009-2013 Perrow on Fukushima Fukushima… (from p.257) - “…indicates the risks t
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