Yale University
OP-4: Greenhouse Gas Emissions Inventory

Part 1

Institution has conducted a GHG emissions inventory covering its Scope 1 and Scope 2 emissions.  The GHG emissions inventory is publicly available, either through the American College & University Presidents’ Climate Commitment reporting site, the institution’s website, or another public website. 

Part 2

Institution has conducted a GHG emissions inventory covering Scope 3 emissions.  The GHG emissions inventory is publicly available, either through the American College & University Presidents’ Climate Commitment reporting site, the institution’s website, or another public website. 

This credit applies to all institutions. 

Part 1

Institutions earn 1 point for meeting the criteria outlined above. 

Part 2

Up to 1 point is available for this part of the credit.  Institutions earn 0.25 points for each Scope 3 emissions source (e.g. commuting, air travel, solid waste disposal, embodied emissions from purchased products) that is included in the inventory or is inventoried separately. 

Timeframe

Report on the most recent GHG emissions inventory completed.  Note that OP Credit 5: Greenhouse Gas Emissions Reduction requires an inventory from both 2005 (the baseline) and a performance year.

Sampling and Data Standards

To conduct a GHG emissions inventory, institutions may use any methodology and/or calculator (including Clean Air-Cool Planet’s Campus Carbon Calculator) that adheres to the Greenhouse Gas Protocol's Corporate Accounting and Reporting Standards.