Guidebook on Preparing Airport Greenhouse Gas Emissions Inventories (2009) / Chapter Skim
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Such voluntary actions have been conducted in response to state and local climate action initiatives or, in the case of two inventories (for airport improvements at Sacramento International Airport and San Diego International Airport) , were prepared in response to the California Environmental Quality Act (CEQA)
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Countries that ratify the Kyoto Protocol commit to reduce their emissions of CO2 and five other greenhouse gases, or engage in emissions trading if they maintain or increase emissions of these gases. 2 The Kyoto Protocol is one of the underlying drivers for the development of airport GHG emissions inventories.
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1.3 Overview of Greenhouse Gas Emissions This Guidebook focuses on the development of inventories for the following GHGs: 1. Carbon dioxide (CO2)
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fuel necessary to power airport-owned on- and off-road vehicles and (2.) direct energy necessary to power airport facilities (i.e., natural gas, fuel oil)
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Percent of Source in Use r Category Percent of Total Airport Operator Owned/Controlled Stationary/facilities – purchased facility power 2 30,000 51.7% 1.2% Stationary/facilities – natural gas 1 10,000 17.2% 0.4% Ground support equipm ent/airport fleet 1 3 ,000 5.2% 0.1% Ground access vehicles (public vehicles on airport roads)
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6 Emission Source 2006 Emissions (CO2e in metric tons) Direct/Scope 1 Stationary/facilities -- natural gas 10,000 Ground support equipment/airport fleet 3,000 Subtotal, Direct/Scope 1 13,000 Indirect/Scope 2 Purchased electricity (airport owned/controlled)
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or based on state requirements that are similar to NEPA (called state NEPA-like laws or mini-NEPAs)
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As the carbon trading market becomes more established than it is currently, airports may be able to take advantage of the opportunities. 1.5 Airport Source Contributions to Greenhouse Gas Emissions Aviation is just one mode of transportation that, in turn, is just one of many GHG emitting sectors.
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Different chemical species emitted from human and natural sources have different impacts on climate. For example, one ton of CO2 has a different effect on the climate than one ton of methane (CH4)
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Although some 400-hz/PCA projects are funded and implemented by the tenants, others are under10 An important point in developing an emissions inventory is to collect sufficient data to enable different equivalency methods and more advanced analyses to be conducted because there is currently no perfect equivalency metric. Within Appendix D, several equivalency methods (radiative forcing index [RFI]
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taken by the airport operator. Further, in many airport settings, the electrical demands of the terminal (including the gates)
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