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The Economics of (and Threat to) Rooftop Solar
in Southern Arizona
May 11, 2015
Climate Roulette:
Most recent IPCC report gives 50/50 chance of stabilizing climate impacts at 2
degrees warming if we eliminate carbon emissions by 2040
City of Tucson Carbon Emission Reduction Goals
(being recommended by the City Climate Change committee)
Slide credit: John Farrell, Institute for Local Self Reliance, 2015
What emissions do we need to find
solutions for?
Source: PAG Regional Greenhouse Gas Inventory 2014
Carbon Footprints of Energy Sources
Source: Wikipedia
Desert Adapted Energy Production
Source: Water for Energy: Future Water Needs for Electricity in the Intermountain West.
Pacific Institute, November 2011
Tucson’s Cost of Solar PV
Maine Public Utilities Commission
Maine Distributed Solar Valuation Study
March 1, 2015
Renewable Energy Storage

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