What is Sustainability?

Carbon footprint DSO 5051Carbon footprint is the total amount of greenhouse gas (GHG) emissions over a given period of time associated with an organization, product, or service 2DSO 505 Carbon footprintCarbon footprinting guide, Carbon trustCarbon footprint is the total amount of greenhouse gas (GHG) emissions over a given period of time associated with an organization, product, or service 2Greenhouse gases are gases that absorb infrared radiation in the atmosphere3DSO 505 Carbon footprint

Greenhouse gases are gases that absorb infrared radiation in the atmosphere3A metric ton equivalent of CO2 is used to describe emissions. What does it mean?4DSO 505 Carbon footprint

Global warming potential (GWP) of the indicated non-CO2 gases relative to CO2 FormulaLifetimeGWP (20-yr)GWP (100-yr)MethaneCH412.48428Nitrous oxideN2O121.0264265HFC-134aCH2FCF313.43,7101,300CFC-11 (freon)CCl3F45.06,9004,660TetrafluoromethaneCF450,000.04,8806,6305DSO 505 Carbon footprintIntergovernmental panel on climate change, Assessment report 5, November 2013Bottled water http://www.youtube.com/watch?v=2cUgIi2g8WA 6:30

52008 global CO2 emissions from fossil fuel combustion and some industrial processes6DSO 505 Carbon footprint

Carbon offsets are certificates related to magnitude of GHG avoided or reduced, sold in compliance and voluntary markets. Sources might be 7DSO 505 Carbon footprint7Accounting of carbon offset needs to take into account the following issues:8DSO 505 Carbon footprint8The Greenhouse Gas Protocol (GGP) introduces the concept of scope for organizational GHG accounting and reporting purposes9DSO 505 Carbon footprintOverview of scopes and emissions across a value chain (GHG Protocol)10DSO 505 Carbon footprint

GHG Emissions by Sector -- 2004 IPCC Fourth Assessment Report11DSO 505 Carbon footprint

How does the tragedy of the commons relate to GHG emissions?12DSO 505 Carbon footprint12Acarbon taximposes a tax on each unit ofGHG emissions13DSO 505 Carbon footprintA cap-and-trade system sets a maximum level of pollution (a cap) and distributesemissions permitsamong firms that produce emissions14DSO 505 Carbon footprintHow a carbon market works part I - Government NYT 2014/05/3015DSO 505 Carbon footprint

How a carbon market works part II - Business NYT 2014/05/3016DSO 505 Carbon footprint

How do the two methods perform under uncertainty about the cost and benefits of reducing emissions?TaxCap and tradePriceSetUncertainQuantityUncertainSet17DSO 505 Carbon footprint