Overall Rating Gold
Overall Score 68.79
Liaison Lindsay Crum
Submission Date Aug. 3, 2020

STARS v2.2

Yale University
OP-18: Waste Minimization and Diversion

Status Score Responsible Party
Complete 2.70 / 8.00 Lindsay Crum
Senior Manager, Data Analysis and Program Management
Yale Office of Sustainability
"---" indicates that no data was submitted for this field

Figures needed to determine total waste generated (and diverted):
Performance Year Baseline Year
Materials recycled 1,676.30 Tons 1,152.80 Tons
Materials composted 1,503.16 Tons 0 Tons
Materials donated or re-sold 105.90 Tons 0 Tons
Materials disposed through post-recycling residual conversion 0 Tons 0 Tons
Materials disposed in a solid waste landfill or incinerator 4,717.27 Tons 5,982.10 Tons
Total waste generated 8,002.63 Tons 7,134.90 Tons

A brief description of the residual conversion facility:
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Start and end dates of the performance year and baseline year (or three-year periods):
Start Date End Date
Performance Period July 1, 2018 June 30, 2019
Baseline Period July 1, 2004 June 30, 2005

A brief description of when and why the waste generation baseline was adopted:
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Figures needed to determine "Weighted Campus Users”:
Performance Year Baseline Year
Number of students resident on-site 6,048 5,546
Number of employees resident on-site 59 0
Number of other individuals resident on-site 101 0
Total full-time equivalent student enrollment 13,368 11,359
Full-time equivalent of employees 15,580 11,241
Full-time equivalent of students enrolled exclusively in distance education 0 0
Weighted campus users 23,338.75 18,336.50

Total waste generated per weighted campus user:
Performance Year Baseline Year
Total waste generated per weighted campus user 0.34 Tons 0.39 Tons

Percentage reduction in total waste generated per weighted campus user from baseline:
11.88

Percentage of materials diverted from the landfill or incinerator by recycling, composting, donating or re-selling, performance year:
41.05

Percentage of materials diverted from the landfill or incinerator (including up to 10 percent attributable to post-recycling residual conversion):
41.05

In the waste figures reported above, has the institution recycled, composted, donated and/or re-sold the following materials?:
Yes or No
Paper, plastics, glass, metals, and other recyclable containers Yes
Food Yes
Cooking oil Yes
Plant materials Yes
Animal bedding No
White goods (i.e. appliances) Yes
Electronics Yes
Laboratory equipment Yes
Furniture Yes
Residence hall move-in/move-out waste Yes
Scrap metal Yes
Pallets Yes
Tires Yes
Other (please specify below) Yes

A brief description of other materials the institution has recycled, composted, donated and/or re-sold:

Other materials include mattresses and paint.


Materials intended for disposal but subsequently recovered and reused on campus, performance year:
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Does the institution use single stream recycling to collect standard recyclables in common areas?:
Yes

Does the institution use dual stream recycling to collect standard recyclables in common areas?:
No

Does the institution use multi-stream recycling to collect standard recyclables in common areas?:
No

Average contamination rate for the institution’s recycling program:
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A brief description of any recycling quality control mechanisms employed:
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A brief description of the institution's waste-related behavior change initiatives:
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A brief description of the institution's waste audits and other initiatives to assess its materials management efforts and identify areas for improvement:
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A brief description of the institution's procurement policies designed to prevent waste:
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A brief description of the institution's surplus department or formal office supplies exchange program that facilitates reuse of materials:
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A brief description of the institution's platforms to encourage peer-to-peer exchange and reuse:
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A brief description of the institution's limits on paper and ink consumption:
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A brief description of the institution's initiatives to make materials available online by default rather than printing them:
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A brief description of the institution's program to reduce residence hall move-in/move-out waste:
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A brief description of the institution's programs or initiatives to recover and reuse other materials intended for disposal:
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Website URL where information about the institution’s waste minimization and diversion efforts is available:
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Additional documentation to support the submission:
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We did not have data for the number of employees resident on-site or the number of other individuals resident on-site and/or in-patient hospital beds for fiscal year 2005. However, since numbers needed to be entered in these fields, the number entered was 0.

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.