by suzanne andrews dr. chris caplice may 20,...
TRANSCRIPT
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bySuzanne AndrewsDr. Chris Caplice
May 20, 2009
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Global WarmingCorporate PerspectiveCarbon Footprint Methods
• Concerns• Benefits and Costs• Long-term Ramifications
The Full Environmental Picture
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The percent increase in greenhouse gas (GHG) concentration in the atmosphere maybe harmful.
How can a company classify and choose an appropriate method to measure its GHG output?
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To classify the current methods used by companies to measure their GHG output.
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GHGs:• Carbon Dioxide (CO2)• Methane (CH4)• Nitrous Oxide (N2O)
GHGs naturally absorb and re-radiate sun’s energy.Excessive amounts lead to Global Warming.
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GHG Lifetime (years) SourceCO2 50-200 Fossil fuel
combustion, land use conversion, cement production
CH4 12-17 Fossil fuels, rice paddies, livestock, waste dumps
N2O 120-150 Fertilizer, industrial processes combustion
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The total amount of greenhouse gas (GHG) emissions for which an entity is responsible (The Carbon Trust, 2008).
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Source: British Standards Institute 8
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68%
16%
13%
3%
Individual/Household Industry
Office/Company Product
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There are so few because companies have not been able to figure out what to include or exclude in a GHG measurement.
The Greenhouse Gas Protocol Corporate Standard (GHG Protocol).
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Source: World Resources Institute 11
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Source: Johnson (2008) 12
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Source: PE International 13
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Source: The Carbon Trust 14
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Source: ESU Services 15
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Criteria GHG Protocol PAS 2050Company Level Reporting √
Product Level Reporting √
Internal Reporting √
External Reporting √
Hotspot Analysis √ √
Detailed Analysis √
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GHG Protocol◦ Incomplete picture
Does not address customer-level concerns:How green is the product?
Cannot meet business-to-business requests for product-level information
For comparative purposes
PAS 2050◦ Incomplete picture
Does not address company-level concernsRegulatory and financial issues
Not designed for external reporting, therefore product-to-product comparisons are not possible
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First StepsCatalystsNeed for more holistic CF methods
But Global Warming is just one of several environmental effects that are perceived to be harmful.
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Photochemical oxidationAcidificationEutrophicationOzone layer depletionHuman and eco-toxicityLand competitionAbiotic depletionRadioactive wastes and emissions
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20 gallons of water to make a pint of beer 132 gallons of water to make a 2-liter bottle of soda500 gallons of water, including water used to grow, dye and process the cotton, to make a pair of Levi’s stonewashed jeans
Source: Wall Street Journal (Feb, 2009).
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No
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Thank You!
Questions?
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