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CSULB used The Clean Air Cool Planet calculator Version 6.75 to calculate its GHG inventory because it was the recommended tool by the ACUPCC and it was the tool of choice by majority of signatory campus.

CSULB utilized Clean Air Cool Planet default emissions coefficients.

CSULB's GHG inventory process began in the fall of 2010 and continued into 2011 with a group of 7 student volunteers from the Conservation Biology (BIO 459/559) class. The student volunteers were part of a service learning class in which their volunteer work counted towards service learning hours. The inventory work primary involved identifying sources of data, gathering the data and compiling it for entry into the CA/CP GHG calculator. Working with the Energy and Sustainability Manager from the office of Physical Planning and Facilities Management, the volunteers were assigned and instructed to gather the raw data for GHG sources from all areas of CSULB operations including auxiliary operations. In the Fall of 2012 and with assistance from a student volunteer from Engineering 302I class, all previous data gathered to date was compiled, formatted, and verified for accuracy for final entry into the Clean Air Cool Planet GHG calculator.

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CSULB's initial GHG inventory includes all Scope 1, 2 and Scope 3 emission sources from faculty/staff commuting and solid land fill waste. Due to the lack of student commuting data for a comprehensive GHG inventory, GHG from student commuting has been intentionally excluded in this report. CSULB is in the process of developing and implementing a comprehensive transportation survey as part of the campus Transportation Demand Management Plan. The survey is expected to be conducted in the spring of 2013. Upon establishing acceptable results from the student transportation survey, CSULB intends to update its 2010 GHG inventory to include student commuting data and include student commuting data in all future GHG emissions inventory reports.

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This GHG emissions inventory report is CSULB's initial attempt to quantify global warming emissions sources from its operations based on best available data. The objective and goal of the initiative was to deliver a comprehensive emissions inventory for the purpose of a. meeting the reporting requirements of the ACUPCC and b. establishing an emission baseline to which we can compare future emission reduction efforts and track our progress over time towards our goal of climate neutrality. The secondary goal was to learn from this initial effort so we can continue to improve the efficiency of the data gathering as well as accuracy of the data in future reports. A significant footnote to the 2010 report is the absence of emissions data from student commuting. CSULB acknowledges that this missing piece of information is significant and must be addressed in future reports. A transportation demand management plan and study currently underway will directly address this shortfall starting with the development of an all-inclusive transportation survey for faculty, staff and students. The survey will be conducted over the spring of 2013 and results from this annual survey will provide the needed data for a comprehensive greenhouse gas inventory.

Data for the 2010 GHG Emissions Inventory report has been internally verified for quality and accuracy based on best available data by Paul Wingco, Energy and Sustainability Manager (562) 985 8167.