Lecture 1 - Introduction

Lecture 1 - Introduction - A wedge redirects the flow of 25...

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Lecture 1 - Introduction Barry Commoner’s Four Laws for the Earth’s Ecology “Everything is connected to everything else” “Everything must go somewhere” “Nature knows best” “There is no such thing as a free lunch” Keeling Curve Atmospheric Carbon Dioxide o Rise in Carbon Dioxide Level Every Year Emissions Past Emissions Graph Stabilization Triangle o Currently Project Path of 14 billion tons of carbon emitted per year at 2054 o Interm Goal wanted at 7 billion tons of carbon emitted per year at 2054 o Beat doubling or accept tripling Ramp = Delay Flat = Act Now Ramp will happen if we continue to do business as usual o Split into 7 Wedges to Reduce Emissions What is a “Wedge”? A “wedge” is a strategy to reduce carbon emissions that grows in 50 years from zero to 1.0 GtC/yr.
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Unformatted text preview: A wedge redirects the flow of 25 Gt(C) in its first 50 year. This is 2.5 trillion dollars at $100/t(C). A solution to the Greenhouse problem should have the potential to provide at least one wedge. Fill the Stabilization Triangle with Seven Wedges Renewable Electricity and Fuels Energy Efficiency and Conservation Fuel Switch Nuclear Fission Forests and Soils CO2 Capture and Storage Course Description Review the energy resources available to maintain human activities on the Earth. For each energy resource, we will consider: o Physical and chemical properties of the energy resource o Technologies required for extraction of the energy and its energy content o Environmental impact of the extraction, transfer and use of the resource...
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This note was uploaded on 06/13/2009 for the course GEOSCI 102 taught by Professor Rodewing during the Winter '08 term at University of Michigan.

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Lecture 1 - Introduction - A wedge redirects the flow of 25...

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