Overall Rating Silver
Overall Score 59.76
Liaison Lindsey MacDonald
Submission Date June 6, 2023

STARS v2.2

Western Washington University
OP-2: Greenhouse Gas Emissions

Status Score Responsible Party
Complete 5.87 / 8.00 Ashley Olson
Data Ambassador
Sustainability Engagement Institute
"---" indicates that no data was submitted for this field

Gross Scope 1 and Scope 2 greenhouse gas (GHG) emissions:
Performance year Baseline year
Gross Scope 1 GHG emissions from stationary combustion 12,725.13 Metric tons of CO2 equivalent 13,051.90 Metric tons of CO2 equivalent
Gross Scope 1 GHG emissions from other sources 290.16 Metric tons of CO2 equivalent 906.50 Metric tons of CO2 equivalent
Gross Scope 2 GHG emissions from imported electricity 649.23 Metric tons of CO2 equivalent 11,617.80 Metric tons of CO2 equivalent
Gross Scope 2 GHG emissions from imported thermal energy 0 Metric tons of CO2 equivalent 0 Metric tons of CO2 equivalent
Total 13,664.52 Metric tons of CO2 equivalent 25,576.20 Metric tons of CO2 equivalent

Figures needed to determine net carbon sinks:
Performance year Baseline year
Third-party verified carbon offsets purchased 0 Metric tons of CO2 equivalent 0 Metric tons of CO2 equivalent
Institution-catalyzed carbon offsets generated 0 Metric tons of CO2 equivalent 0 Metric tons of CO2 equivalent
Carbon storage from on-site composting 35 Metric tons of CO2 equivalent 11 Metric tons of CO2 equivalent
Carbon storage from non-additional sequestration 0 Metric tons of CO2 equivalent ---
Carbon sold or transferred 0 Metric tons of CO2 equivalent 0 Metric tons of CO2 equivalent
Net carbon sinks 35 Metric tons of CO2 equivalent 11 Metric tons of CO2 equivalent

A brief description of the carbon sinks, including vendor, project source, verification program and contract timeframes (as applicable):

We have a large on-campus composting facility that receives all material from our campus grounds. All food waste compost get sent off campus to Green Earth Technology.


Adjusted net Scope 1 and Scope 2 GHG emissions:
Performance year Baseline year
Adjusted net GHG emissions 13,629.52 Metric tons of CO2 equivalent 25,565.20 Metric tons of CO2 equivalent

Start and end dates of the performance year and baseline year (or three-year periods):
Performance year Baseline year
Start date July 1, 2021 July 1, 2005
End date June 30, 2022 June 30, 2006

A brief description of when and why the GHG emissions baseline was adopted:

Fiscal year 2006 (July 1, 2005 to June 30, 2006) was the first year that Western employed staff able to collect and analyze carbon emissions data.


Figures needed to determine “Weighted Campus Users”:
Performance year Baseline year
Number of students resident on-site 3,383 3,853
Number of employees resident on-site 0 0
Number of other individuals resident on-site 0 0
Total full-time equivalent student enrollment 14,450 12,343
Full-time equivalent of employees 4,635 1,286
Full-time equivalent of students enrolled exclusively in distance education 255 0
Weighted Campus Users 14,968.25 11,185

Adjusted net Scope 1 and 2 GHG emissions per weighted campus user:
Performance year Baseline year
Adjusted net Scope 1 and 2 GHG emissions per weighted campus user 0.91 Metric tons of CO2 equivalent 2.29 Metric tons of CO2 equivalent

Percentage reduction in adjusted net Scope 1 and Scope 2 GHG emissions per weighted campus user from baseline:
60.16

Gross floor area of building space, performance year:
3,542,025 Gross square feet

Floor area of energy intensive building space, performance year:
Floor area
Laboratory space 767,271 Square feet
Healthcare space 0 Square feet
Other energy intensive space 0 Square feet

EUI-adjusted floor area, performance year:
5,076,567 Gross square feet

Adjusted net Scope 1 and 2 GHG emissions per unit of EUI-adjusted floor area, performance year:
0.00 MtCO2e per square foot

A brief description of the institution’s GHG emissions reduction initiatives:

WWU has worked to both reduce GHG emissions through building efficiency upgrades to reduce our SCOPE 1-2 emissions as well as enacted the Sustainability Action Plan intended to reduce and mitigate impacts of our Scope 3 Emissions. In addition to this ongoing work, we completed a feasibility study and requested funding for the conversion of our steam plant to be a GHG neutral thermal system to support our operations into the next century. This work is coordinated with the intention to ensure that our university is holistic in our approach to managing all scopes of our emissions profile and strategic in our focus areas of intervention namely our steam plant and utility offsets for our resource and energy use.


Website URL where information about the institution's GHG emissions is available:
Additional documentation to support the submission:
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Data source(s) and notes about the submission:
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The information presented here is self-reported. While AASHE staff review portions of all STARS reports and institutions are welcome to seek additional forms of review, the data in STARS reports are not verified by AASHE. If you believe any of this information is erroneous or inconsistent with credit criteria, please review the process for inquiring about the information reported by an institution or simply email your inquiry to stars@aashe.org.