Overall Rating Gold
Overall Score 68.39
Liaison Brian Liechti
Submission Date March 4, 2020

STARS v2.2

Warren Wilson College
OP-2: Greenhouse Gas Emissions

Status Score Responsible Party
Complete 4.11 / 8.00 Margo Flood
Sustainability Project Coordinator
Finance and Administration
"---" 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 423.91 Metric Tons of CO2 Equivalent 1,166 Metric Tons of CO2 Equivalent
Gross Scope 1 GHG emissions from other sources 633.02 Metric Tons of CO2 Equivalent 246 Metric Tons of CO2 Equivalent
Gross Scope 2 GHG emissions from imported electricity 1,410.78 Metric Tons of CO2 Equivalent 2,686 Metric Tons of CO2 Equivalent
Gross Scope 2 GHG emissions from imported thermal energy 143.07 Metric Tons of CO2 Equivalent 151.02 Metric Tons of CO2 Equivalent
Total 2,610.78 Metric Tons of CO2 Equivalent 4,249.02 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 68 Metric Tons of CO2 Equivalent 32 Metric Tons of CO2 Equivalent
Carbon storage from non-additional sequestration 984 Metric Tons of CO2 Equivalent 492 Metric Tons of CO2 Equivalent
Carbon sold or transferred 58.23 Metric Tons of CO2 Equivalent 0 Metric Tons of CO2 Equivalent
Net carbon sinks 9.77 Metric Tons of CO2 Equivalent 32 Metric Tons of CO2 Equivalent

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

The carbon sinks include composting, the sale of pounds of recycled materials off-campus, and the carbon sequestration estimated for the Warren Wilson Forest.


Adjusted net Scope 1 and Scope 2 GHG emissions:
Performance year Baseline year
Adjusted net GHG emissions 2,601.01 Metric Tons of CO2 Equivalent 4,217.02 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, 2018 July 1, 2013
End date June 30, 2019 June 30, 2014

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

Warren Wilson College set a goal of reducing our greenhouse gas emissions 80% by 2020 from 2007-2008 emission levels which included attaining the goal with the purchase of carbon offsets. We have discontinued that practice and our current focus is to improve the actual carbon footprint of our campus and its operations. An inventory of our emissions has been conducted every year until 2013-2014. Because we no longer purchase carbon offsets for our on-site purchased electricity use, we have adjusted our baseline to 2014, a year we purchased no offsets. In addition, we must update our Climate Action Plan with ACUPCC in 2020 and this update will reflect the baseline change.


Figures needed to determine “Weighted Campus Users”:
Performance year Baseline year
Number of students resident on-site 617 742
Number of employees resident on-site 5 5
Number of other individuals resident on-site 0 0
Total full-time equivalent student enrollment 695 916
Full-time equivalent of employees 192 232
Full-time equivalent of students enrolled exclusively in distance education 0 0
Weighted Campus Users 820.75 1,047.75

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 3.17 Metric Tons of CO2 Equivalent 4.02 Metric Tons of CO2 Equivalent

Percentage reduction in adjusted net Scope 1 and Scope 2 GHG emissions per weighted campus user from baseline:
21.26

Gross floor area of building space, performance year:
684,934 Gross Square Feet

Floor area of energy intensive building space, performance year:
Floor area
Laboratory space 6,000 Square Feet
Healthcare space 4,312 Square Feet
Other energy intensive space 0 Square Feet

EUI-adjusted floor area, performance year:
705,558 Gross Square Feet

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

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

The greatest impact in GHG emissions reduction has been upgrades in HVAC systems in select high energy-using buildings on campus with aging units and the installation of a greater number of geothermal wells in the three buildings that heat and cool with them. The HVAC units replaced on campus each reduced energy use by nearly 50%. Also, we insulated one highly energy intensive building on campus that houses music classes and this, too, has made a huge difference.


Website URL where information about the institution's GHG emissions is available:
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Additional documentation to support the submission:

Staff and faculty who live in rental houses and personally owned homes on campus have not been included in the number of on-campus residents because their utilities are not paid for by the College.Data has been gathered for the GHG inventory from Facilities Management staff and the College's Accounting Office. Data has been entered into the SIMAP Reporting tool.
The data included in this report has been modified to correct a data error noted by the STARS reviewer and to modify some measurements based upon the use of a newer GHG metric recommended by the SIMAP review team. The SIMAP external audit has approved our inventory.

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 and complete the Data Inquiry Form.