presented-2012Nov-climate-envr200-handout

E in understanding nature of problems instruments

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Unformatted text preview: maybe a 3rd role: a rhetorical one i.e., in understanding nature of problems. . . Instruments Capital turnover times Mitigation policies promote actions, such as: Introduction Planner’s problem Economics Which set of available options is best? → effort / resource allocation ↑ Science/engineering For each source / mechanism, what mitigation is physically possible? Introduction Scope of policy Planner’s problem Instruments Conclusion Introduction Scope of policy Planner’s problem Instruments All engineering “wedges” present the same question: Will saturation or learning dominate? Concept question 2 [Pacala and Socolow] Which are more financially feasible, the first one thousand wind turbines installed or the second thousand? For any strategy, is the second wedge easier or harder to achieve than the first? Learning vs saturation • The first million will be built at the more favorable sites. : The first ones have a higher return • But the second million will benefit from the learning acquired building the first million. : The later ones have a higher return The question generalizes to almost all the wedge strategies: Geological storage capacity for CO2 , land for biomass, river valleys for hydropower, uranium ore for nuclear power, semiconductor materials for photovoltaic collectors. All prese...
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