Class Project Report Sustainable Air Quality, EECE 449/549, Spring 2008 Washington University, St. Louis, MO The Carbon Footprint of Danforth Campus and its Causality Drivers. Instructors: Professor Rudolf B. Husar, Erin M. Robinson. Students: Devki Desai Martin Groenewegen Tyler Nading
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Class Project ReportSustainable Air Quality, EECE 449/549, Spring 2008Washington University, St. Louis, MOThe Carbon Footprint of Danforth Campusand its Causality Drivers
Instructors: Professor Rudolf B. Husar, Erin M. Robinson
See also a 5 min screencast and more details on the class wiki
On Campus Energy Use Carbon Impact
The impact on carbon arises from on-campus energy use and from transportation
Transportation Carbon Impact
2,421 grams of Carbon/Gallon as given by the Code of Federal Regulations (40 CFR 600.113)
44 gm CO2
0.99 % fuel oxidized
12 gm C
Student Parking Permit Data: Only 2007-08.
Student Local Address Data
Student Home Address Data
Faculty/Staff Parking Permit Data: Only 2007-08.
Faculty/Staff Local Address Zip code: Only 2007-08.
Some students provide their permanent home address zip code instead of local address zip code
Each year over 3000-4000 students do not provide zip code.
Historic faculty/staff local zip code not available.
Historic parking permit data not available.
2007-08 Data on Google Earth
Distance within 150 miles to WashU considered for analysis.
Zip code converted to latitude and longitude based on U.S. Gazetteer and zipinfo.
For WashU, coordinates of Brookings Hall (38.648N, 90.305W) considered.
Distance from zip code coordinates to WashU coordinates calculated using the reference formula:
Δx = 69.1*(lat1-lat2); Δy = 53.0*(lon1-lon2),
Distance (in miles) = (Δx2+Δy2) 1/2.
Calculates straight line distance between WashU and centroid of zip code
Fudge factors required for calculated distance
Highways and road directions
Bridges on East and North St. Louis
18% for Students
40% for Faculty/Staff
Assume every person makes 1 round trip (2 trips) to school per working day of the year
Faculty/Staff - 225 working days per year
Students - 165 working days (excluding vacations)
Faculty Commuter Contribution
The number of students living within 150 miles of the Danforth Campus have not lead to an increase in the amount of parking permits issued as our data implied.
Annual miles driven per student decreased most dramatically from 2002-2007.
This is explained in part by the shift in student residences from 2001-2007.
Student Commuter Carbon Emissions
The University fleet grew and contribution steadily increased despite improvements in fuel economy, yet is minimal in comparison to student commuter carbon emissions.
Air travel emissions have increased by 30%
Study abroad emissions are the driver in this study
On Campus Energy Use
Instruction and Departmental Research
Instruction and Departmental Research: 1%
Organized Research: -40%
Baseline electricity use has increased ~60% since 1990
Cooling electricity use has increased ~40% since 1990
Electronic devices account for ~25% of 2007 electricity use
Lighting and electronics account for a large portion of electricity use and reductions can easily be made in this area
Reductions in cooling are more difficult to implement
Baseline fuel use has increased ~65% since 1997
Residential area built in 2001
Hot water heating requirements can easily be reduced
Heating needs are major use of fuel and not easily reduced
C EmissionTon C/yr
Buildings Sq. Ft
Fuel Cons. BTU/yr
C Emission Ton C/yr
WU Comparison with Other Universities
Carbon assessments from other schools
Use to make sense of WU's report
Stationery sources (labs, steam generation, etc)
Transportation (University fleet, Commuting students, Commuting Faculty and Staff)
Determining scope of emission
Finding new ways to handle a lack of data/estimations with limited details
Structuring of the Wash U report
Tr-CSt=Transportation Commuting Students
Tr-CSF=Transportation Commuting Fac. Staff
Tr-UF=Transportation University Fleet
Wash U is average
Overall correlation between size and emission
Some out liars do exist
WU and the Chicago Climate Exchange
Working Toward a Transition to Sustainability
Carbon Emission Model: Neutral Case
Wash U.'s goals are to address the issues of environment, energy and sustainability through education, research and out reach projects. More over, Wash U. will seek and define its best operation practices, and aspire to be a model of energy conservation for other institutions.
- Mark S Wrighton, Chancellor EES, WashU