ANALYSIS OF CARBON FOOTPRINT OF TEXAS A&M UNIVERSITY KINGSVILLE PREPARED BY KAI WILLIAMS (EVEN) DR. KUO-JEN LIAO (EVEN) May 7, 2013 SUMMARY The research presented in this report is intended to provide a baseline for future calculations of Texas A&M University-Kingsville’s carbon footprint and to provide insight on which variables contribute to the highest emissions of greenhouse gases. The carbon footprint was calculated using the Clean Air-Cool Planet, Campus Carbon Calculator Version 6.8 for the years 2011 and 2012. There were seven variables used in the carbon footprint calculation: Budget, Population, Electricity, Building Space, Commuting, Faculty Trips/Study Abroad and Other Variables. In 2011, the total GHG emissions for TAMUK were 63,499.4 Metric Tons (MT) of eCO2 (equivalent of CO2), and CO2 emissions contributed to more than 95% of the total carbon emissions. The categories of purchased electricity and student/faculty commuting contributed to 39% and 56% of total carbon emissions, respectively, for TAMUK in 2011. The total GHG emissions for 2012 (51,033.6 MT eCO2) were lower than 2011. The decrease was attributed to less faculty and student commuting in 2012. However, carbon emissions from the purchased electricity slightly increased from 2011 to 2012. Due to the decrease in carbon emissions from student/faculty commuting and increase in the purchased electricity, the largest contributor to the TAMUK’s carbon emissions was purchased electricity (50%) followed by student (24%) and faculty (19%) commuting in 2012. In 2011, the per-person CO2 equivalent emission (~9MT eCO2/person) at Texas A&M University-Kingsville was higher than emissions from the universities chosen for the comparison in this study. The high carbon emission was attributed to the lack of on-campus co-generation of electricity and the amount of commuting conducted by students, faculty and staff. It is suggested that co-generation of electricity, more efficient electricity use, promotion of mass transportation and reductions in single-occupancy vehicles will significantly decrease the carbon emission of TAMUK. 2 TABLE OF CONTENTS Chapter 1: Introduction…………………………………………………………………………4 1.1 Synopsis…………………………………………………..…………………………..4 1.2 Motivational Background……………………………………..………………….…4 1.3 Scope of Current Research……………………………………..……………….…..5 Chapter 2: Carbon Calculator Description………………………………………….…….…...6 2.1 Model Overview………………………………………………………...……………6 2.2 Scopes………………………………………………………………………...……….6 2.3 Variable Descriptions…………………………………………………………...…...7 2.3.1 Budget…………………………………………………...……………….....7 2.3.1 Population………………………………………………..….………...……7 2.3.3 Electricity………………………………………………………..………….8 2.3.4 Building Space……………………………………………………..……….8 2.3.5 Commuting…………………………………………………………………9 2.3.6 Faculty/Study Abroad Trips………………………………………………9 2.3.7 Other Variables…………………………………………………………...10 Chapter 3: Methods…………………………………………………….……….…………...…11 Chapter 4: Results…………………………………………………………………..…………..13 Chapter 5: University Carbon Footprint Comparison…………….………………………....17 Chapter 6: Carbon Reduction Suggestions…………………………………………………...19 Chapter 7: Conclusions……………………………………………….…………………..……21 Acknowledgments………………………………………………………………………………22 References…………………………………………………………………….…………………23 3 Chapter 1 Introduction 1.1 Synopsis The research presented in this report is intended to provide a baseline for future calculations of Texas A&M University-Kingsville’s carbon footprint and to provide insight on which variables contribute to the highest emissions of greenhouse gases. The carbon footprint was calculated using the Clean Air-Cool Planet, Campus Carbon Calculator Version 6.8 (http://cleanair-coolplanet.org/campus-carbon-calculator/) for the years 2011 and 2012. The analysis of TAMUK’s carbon footprint will aid in creating more plans to decrease the carbon footprint, like expanding the existing wind-powered golf carts. Included in the report is a comparison of the carbon footprint of TAMUK with that of different schools to acknowledge how TAMUK ranks against different universities. 1.2 Motivation and Background The world’s human population grew by one billion people since 2000, bringing the total world population to approximately seven billion. This fast population growth rate led to an increase in industries’ production, and energy industries are the main source of greenhouse gases (GHGs). Greenhouse gases are naturally occurring gases which trap heat into the atmosphere and causes either an increase or decrease in temperature. GHGs include carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and fluorinated gases (IPCC, 2007). CO2 emissions are the most significant for total GHG emissions in the U.S., and account for approximately 84% of the U.S. GHG emissions in 2011 (http://www.epa.gov/climatechange/ghgemissions/gases.html). Each person contributes a certain amount of GHGs to the earth’s atmosphere by performing daily activities, like taking a shower, using electricity, and driving a car. This individual contribution of GHGs is called an individual carbon footprint. A carbon footprint includes all the GHG emissions caused by an individual’s activities and measures it as carbon equivalents. At Texas A&M University at Kingsville (TAMUK) there are more than 6,200 students as well as faculty and staff contributing to the university’s carbon emissions. Due to the location of 4 the University, it is expected that students, staff and faculty commuting to the school contribute the most to TAMUK’s carbon emissions. On-campus electricity use could also have a significant contribution to carbon footprint attributed to purchased electricity. 1.3 Scope of Current Research The carbon footprint of Texas A&M University Kingsville is calculated for the mostly the years 2011 and 2012, but some data used in the CA-CP Calculator refer to 2009 and 2010. In addition, the variables that have the highest contribution of GHGs were focused on in this analysis, like energy consumption, commuting, and other forms of transportation. However, the GHG emissions from other variables, like refrigerants and chemicals, were calculated, as well. The variables used to determine the carbon footprint included the amount of students, faculty, and staff, permitted cars, energy used, and the amount of miles traveled by the student and faculty population among other variables that will be described further into the report. In addition, GHG emissions derived from visitors being on-campus are not included in this analysis since they are not a constant body contributing to the university’s carbon footprint. 5 Chapter 2 Carbon Calculator Description 2.1 Model Overview The Clean Air-Cool Planet (CA-CP) Campus Carbon Calculator Version 6.8 is based on an adaptation of the Intergovernmental Panel on Climate Change (IPCC) data to accommodate universities and colleges. The CA-CP Campus Carbon Calculator has been used on more than 2,000 U.S. campuses to support colleges and universities controlling carbon emissions (http://cleanair-coolplanet.org/our-mission/). The program utilizes Microsoft Excel© spreadsheets to perform three tasks: (1) calculate carbon equivalent emissions, (2) project future emissions, and (3) evaluate how carbon reducing projects will affect the overall carbon footprint. The methods installed in the CA-CP Calculator are derived from the Greenhouse Gas (GHG) Protocol Initiative. The CA-CP calculator models for carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), hydrofluorocarbons (HFCs), perfluorinated compounds (PFCs), and sulfur hexafluoride (SF6). CO2 is the most important GHG in the world and enters the atmosphere through burning fossil fuels, solid waste, trees and wood products, and also as a result of certain chemical reactions. Methane (CH4) is the second most prevalent greenhouse gas emitted in the from human activities followed by N2O which is emitted during agricultural and industrial activities. HFCs are compound consisting of hydrogen, fluorine, and carbon. The PFCs are mainly produced by textile and apparel manufacturers, and these long-chained chemicals were found toxic for human and wildlife in laboratory results. The major sources of SF6 are electric power systems. 2.2 Scopes The CA-CP Calculator categorizes each GHG emission source variable into one of three scopes according to the responsibility that the university has over that variable. The following scopes are listed below with an abbreviated list of source variables that fit in each category. Scope One: Direct emissions from source owned and/or controlled by the university o Refrigerants and Chemicals 6 o On-Campus Agriculture o Owned Buildings Scope Two: Indirect emissions from sources that are neither owned nor operated by the university but whose products are directly linked to on-campus energy consumption o Purchased Electricity o Purchased Steam o Purchased Chilled Water Scope Three: Other emissions directly financed by the university but are neither owned nor operated by the university o Commuting o Solid Waste o Study Abroad Travel 2.3 Variable Description This study only used some of the available programs in the CA-CP calculator because some variable either did not (1) apply to the Texas A&M University Kingsville Campus or (2) represent a major emitter of GHG emissions. There were seven variables used in the CA-CP carbon calculation: Budget, Population, Electricity, Building Space, Commuting, Faculty Trips/Study Abroad and Other Variables. Each of the variables is described below. 2.3.1 Budget Operating budget, research budget, and energy budget data was obtained to provide an annual representation of the amount of money spent by the university and how much money can be saved if energy reduction projects are established. In addition, there is a probability that the annual energy budget will increase to implement energy reduction projects since TAMUK does not produce electricity or steam for the entire campus. 2.3.2 Population The student, faculty, and staff population allow the CA-CP calculator to estimate the amount of GHGs emitted per person. The student population was separated into three groups: 7 full-time, part-time, and summer students since they may have different carbon footprints. Students, living on campus, contribute the highest amount of Scope 2 emissions (i.e., indirect emissions of GHGs) via electricity usage. The faculty and staff population include unduplicated records of those faculty and staff that worked throughout the school year. 2.3.3 Electricity Texas A&M University-Kingsville purchases electricity from Champion Energy Services. The electricity is composed of 57% Natural Gas, 23% Coal, 13% Wind, 7% Nuclear, and <1% Water/Other. The highest carbon footprint energy source is coal because carbon dioxide, sulfur dioxide, nitrogen oxides, and mercury compounds are released when coal is burned. In addition, natural gas also emits nitrogen oxides and carbon dioxide, but these emissions are lower than experienced in the coal industry. Wind and nuclear energy is cleaner than coal or natural gas sources because nuclear plants and wind energy farms do not emit carbon dioxide, sulfur dioxide, or nitrogen oxides. Therefore, coal and natural gas will have more impacts on TAMUK’s carbon footprint. 2.3.4 Building Space The total building space and the total research building space for any building owned by TAMUK was included in the report to analyze the kilograms (kg) of CO2 equivalents (CO2e) emitted per square foot on campus. The research building space includes only rooms on campus which are registered with the research room codes 250, 255, 21, or 22. A map of the buildings on campus is shown below in Figure 1. 8 Figure 1. Texas A&M University Kingsville Main Campus Map (http://www.tamuk.edu/map/). 2.3.5 Commuting The miles traveled by students, faculty, and staff while commuting to the TAMUK campus were used to calculate GHG emissions from their vehicles. Only vehicles and motorcycles which are permitted by TAMUK are included in this report. Other motor vehicles which either temporarily come to campus or are not permitted are not included because they are not any records on those vehicles. Those commuting to campus usually travel from Corpus Christi, Bishop, and other nearby towns within a 45 minute drive. However, the vehicles driven by students are usually trucks, some which are diesel trucks, so the amount of GHG emissions will be more than average four door cars. 2.3.6 Faculty Trips/Study Abroad The distance in miles traveled by students, faculty, and staff involved in study abroad programs, conferences, or out of state meetings were incorporated into this study. Study abroad 9 programs and out of state meeting and conferences are traveled to less often, but this does represent a scope three GHG source for the university. In addition, the amount of fuel required by car, bus, or airplane could be significant in regards to the amount of GHG emitted for each one of these trips depending on the amount of people participating. 2.3.7 Other Variables Other variables accounted for in the calculation of TAMUK’s carbon footprint are refrigerants, chemicals, animal husbandry, and septic waste. Refrigerants and chemicals are used on campus for refrigeration, air conditioning, and other applications. These refrigerants and chemicals could include hydrofluorocarbons (HFCs) or perfluorocarbons (PFCs) which are organic compound consisting of fluorine that leads to ozone depletion, global warming, and bioaccumulation of toxins. HFCs and PFCs are not naturally occurring but are derived from the industrial processes and human-related activities. These compounds have long atmospheric lifetimes and are well-mixed into the atmosphere. Animal husbandry on campus includes, on average, two hundred animals consisting of beef cows, swine, goats, and sheep. The methane derived from agricultural sources (including emissions from animals) accounts for 8% of methane emissions in the United States, as stated by the EPA (http://www.epa.gov/climatechange/ghgemissions/sources/agriculture.html). 10 Chapter 3 Methods The boundary of this study is the TAMUK main campus including the college farm which is located off-campus. The total coverage of this boundary is 795 acres, which is shown in Figure 1. The study accounts for the time period 2009 through 2012, and the majority of the data collection was conducted during the fall semester of 2012. Data collected was obtained mostly from staff personnel and databases and include the most up to date information during the data collection period. Further updated information was included in the CA-CP calculator as it was presented. Some information entered into the CA-CP was estimations based on references and background of the TAMUK campus. The average miles-per-gallon (MPG) was decreased to account for the numerous trucks, including a percentage of diesel trucks, which are driven by students. Also, the mileage driven by commuting students was calculated by using the top three, most-likely cities commuters would travel from in a 50 miles radius from campus. The cities were chosen from the address listed on permit registration forms, but Corpus Christi was automatically chosen because it is the closest major city. In addition to the assumption already listed, the amount of refrigerants and chemicals were acquired for the fiscal year 2012 but used for annual estimates for 2009 through 2012. Also, the air travel by faculty and students were from 2011 but were used for 2009 through 2012. The university does not generate electricity or water on campus, and most of the utilities are purchased from commercial utility companies. TAMUK saves on building space by allowing multiple majors to use the same rooms for instructional and collaborative purposes. GHG emissions created from social events on campus are included in this calculation. After the data was obtained, the CA-CP calculator automatically calculated the amount of GHG emissions for each variable. The GHG emissions were converted by the CA-CP to metric tons of carbon dioxide equivalent for the direct comparison of GHG data between different institutions. The emission factors included in the program as constants and are sourced from the 11 Intergovernmental Panel on Climate Change (IPCC), U.S. Environmental Protection Agency (EPA), Department of Energy (DOE), and other governmental agencies. Therefore, no emission factors were changed during the calculation process, and raw data was converted into the units used by the program’s emission factors. The non-carbon GHG emissions are converted into carbon dioxide equivalents for each energy source by multiplying the mass of the gas by its Global Warming Potential (GWP). The GWP value of CO2 is assumed to be 1, and GWPs for other GHGs are listed below in Table 1. Table 1. Global Warming Potential (IPCC, 2007) Chemical Formula CO2 CH4 N2O CHF3 Global Warming Potential (100 yr.) 1 25 298 14,800 HFC-32 CH2F2 675 HFC-125 CHF2CF3 3,500 HFC-134a CH2FCF3 1,430 HFC-143a CH3CF3 4,470 HFC-152a CH3CHF2 124 HFC-227ea CF3CHFCF3 3,220 HFC-236fa CF3CH2CF3 9,810 HFC-245fa CHF2CH2CF3 HFC-365mfc CH3CF2CH2C Name Carbon dioxide Methane Nitrous oxide HFC-23 F3 HFC-43-10mee CF3CHFCHF CF2CF3 12 1030 794 1,640 Chapter 4 Results In 2011, the total GHG emissions for TAMUK were 63,499.4 Metric Tons (MT) of eCO2 (equivalent of CO2) (Table 2). The majority of these emissions comprised of CO2 emissions from Scope 2 (i.e., indirect emissions) and Scope 3 (i.e., commuting and study abroad) activities. CO2 emissions contributed to more than 95% of the total carbon emissions at TAMUK. The variable with the largest carbon footprint was student, faculty, and staff commuting which accounted for approximately 55% of TAMUK’s CO2 equivalent emissions in 2011. The 55% contribution of commuting to total CO2 equivalent emissions was because most faculties live outside the Kingsville area, and about 35% of students commuted to campus. In addition, most commuters traveled 40 miles to and from campus every day, assuming they commuted from Corpus Christi. The second variable with the largest carbon footprint was purchased electricity because all electricity used on campus was purchased and the energy sources used to produce the electricity is 23% coal and 57% natural gas. One kilowatt-hour (kWh) of energy produced by a coal power plant emits almost one kilogram of CO2. Also, natural gas, a cleaner burning energy source, emits 0.51 kg CO2 per kWh. Other electricity sources used in the fuel mix include renewable energy and nuclear which do not produce CO2 during the process of converting the source to electricity. Renewable and nuclear energy account for 20% of the electricity fuel mix. Table 2. Total Greenhouse Gas Emissions of TAMUK for 2011 2011 Co-gen Electricity Refrigerants & Chemicals Agriculture Purchased Electricity Faculty / Staff Commuting Student Commuting Directly Financed Air T ravel Study Abroad Air T ravel Scope 2 T &D Losses Additional Non-Additional Scope 1 Scope 2 Scope 3 All Scopes All Offsets Energy Consumption MMBtu CO 2 CH 4 N2 O eCO 2 kg kg kg Metric T onnes 328,640.6 207,885.8 278,475.1 664.0 4,374.8 32,502.9 24,468,789.6 14,675,098.8 19,684,556.7 132,854.5 875,377.2 2,419,990.2 5,551.7 281.6 3,120.4 4,067.9 1.3 8.5 27.9 30.4 379.6 1,043.5 1,365.4 1.5 9.7 37.5 328,640.6 523,902.6 852,543.2 24,468,789.6 37,787,877.4 62,256,667.0 5,551.7 281.6 7,225.9 13,059.3 30.4 379.6 2,457.6 2,867.7 Net Emissions: 13 61.7 147.9 24,588.9 15,064.1 20,193.1 133.3 878.5 2,431.9 209.6 24,588.9 38,700.9 63,499.4 63,499.4 The total GHG emissions for 2012 were 51,033.6 Metric Tons eCO2 (Table 3). Contrary to 2011, the purchased electricity was the largest contributor of GHGs accounting for 50% of the total carbon emissions. The student, faculty, and staff commuting decreased by 13,750 MT eCO2, and this was attributed to the number of registered vehicle permits decreased from 2011 to 2012. The number of registered vehicles was 3,227 from the school year of 2010-2011, and the number of registered vehicles was 1,826 for 2011-2012. The decrease in student commuters could be attributable to more students living on campus. For example, Mesquite Village West, a dormitory opened in 2011, housed 300 beds and allowed more students to live on campus instead of commuting from neighboring cities. The contributions of carbon emissions from different sources to total campus carbon emissions are in Figures 2 and 3. Table 3. Total Greenhouse Gas Emissions of TAMUK for 2012 2012 Co-gen Electricity Refrigerants & Chemicals Agriculture Purchased Electricity Faculty / Staff Commuting Student Commuting Directly Financed Air T ravel Study Abroad Air T ravel Scope 2 T &D Losses Additional Non-Additional Scope 1 Scope 2 Scope 3 All Scopes All Offsets Energy Consumption MMBtu CO 2 CH 4 N2 O eCO 2 kg kg kg Metric T onnes 340,818.8 131,940.9 169,091.2 664.0 4,374.8 33,707.4 25,375,517.8 9,313,983.1 11,952,543.9 132,854.5 875,377.2 2,509,666.6 4,310.9 292.1 1,980.4 2,470.1 1.3 8.5 28.9 26.8 393.7 662.3 829.1 1.5 9.7 38.9 340,818.8 339,778.2 680,597.0 25,375,517.8 24,784,425.3 50,159,943.0 4,310.9 292.1 4,489.1 9,092.1 26.8 393.7 1,541.5 1,961.9 Net Emissions: 61.7 115.7 25,500.1 9,560.9 12,261.4 133.3 878.5 2,522.0 177.4 25,500.1 25,356.0 51,033.6 51,033.6 Overall, Scope 2 and Scope 3 contributed the most to TAMUK’s carbon footprint in 2011 and 2012 because they comprise of all the GHGs included in the CA-CP calculator (Figure 4 and Figure 5). Scope 1 only includes methane and nitrogen oxide emissions which are only produced by TAMUK owned agriculture. Agriculture, compared to other variables in Scope 2 and Scope 3, represents a small percentage of the total carbon footprint (Figure 2 and Figure 3). For 2011 and 2012, The GHG emissions associated with students and faculty travel off-campus contributes to 2% of the total carbon emissions. Off-campus travel, whether global or local, involves few 14 students or faculty to participate, and international faculty trips are conducted by few faculty members during the semester. Figure 2. Total Greenhouse Gas Emissions Categorized by Variable for 2011 Figure 3. Total Greenhouse Gas Emissions Categorized by Variable for 2012 15 Figure 4. Total Greenhouse Gas Emissions categorized by Scope 2011 Figure 5. Total Greenhouse Gas Emissions Categorized by Scope for 2012 16 Chapter 5 University Carbon Footprint Comparison Seven universities were chosen for comparing carbon footprints with TAMUK. The abbreviations for the universities mentioned in Figure 6 are as follows: Texas Tech University (TTU), Arizona State University (ASU), Brown University-Main Campus (Brown), University of Viginia (UVA), University of Oklahoma (UO), Viginia Tech (VA Tech), and University of California in Los Angeles (UCLA). Universities were compared to TAMUK only if their data was registered on the EPA GHG Emissions Registry (http://ghgdata.epa.gov/ghgp/main.do). Major Texas universities, like Texas A&M University College Station and University of Texas at Austin, were not included in this report because their emissions data was not registered on the EPA’s GHG Emissions registry. The amount of carbon emissions (MT eCO2) per person at the different universities included in this report were calculated by dividing total amount of carbon 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 2.5E+05 MTeCO2/Person 2.0E+05 MT eCO2 1.5E+05 1.0E+05 eCO2 (million tons) eCO2/person (million tons) emitted in 2011 by the population of students, staff and faculty at that university in 2011. 5.0E+04 0.0E+00 TAMUK TTU ASU Brown UVA UO VA UCLA* Tech Figure 6. University Comparison of total eCO2 emissions (Metric Tons) and eCO2 Per Person (Metric Tons/person) in 2011 The MT eCO2 per person for TAMUK (~9 MT eCO2 /person) was the highest among all the universities included in this study. The total carbon emission of TTU was slightly higher than 17 the TAMUK’s carbon emission in 2011. However, the per person carbon emission of TTU was much lower than TAMUK since TTU had more than 35,000 population (students, staff plus faculty). UCLA had very high carbon emissions (~3.2 times the TAMUK emissions) in 2011. However, the per person carbon emission for UCLA was only half of TAMUK since UCLA had ~35,000 more students than TAMUK. At Brown University, there are approximately 8,000 students (http://www.brown.edu/about/facts/enrollment), and their total metric tons of carbon dioxide equivalent (MT CO2e) were 31,070.Therefore, the amount of metric tons of carbon dioxide equivalent per person was 3.64 in 2011. These values were much lower than the data calculated for TAMUK. Most universities registered on EPA’s annual GHG Emissions Inventory had per person carbon emissions range between 1.5 and 4 MT eCO2 per person. The major difference between TAMUK and other universities was on-campus generation of electricity and the distance that students, faculty, and staff commuted to the campus. Commuting to TAMUK can be 80 miles to and from the campus. 18 Chapter 6 Carbon Emission Reduction Suggestions Efforts to reduce the carbon footprint of TAMUK have already taken place on campus. These projects created by students, faculty, and staff include using a wind turbine to charge gocart batteries and using shuttles to transport faculty and staff from Corpus Christi to TAMUK main campus. In order to suggest carbon reduction strategies that could be applied to the TAMUK campus, the carbon reduction programs of ASU, Brown, UCLA and UO were researched in this work ASU, Brown, and UCLA have on-campus generation that produces electricity and/or steam for their campus. TAMUK does not have a co-generation plant on campus but purchases the utilities from different third-party providers. In addition, UCLA invested $16.65 Million for an energy conservation project over a four year period (2008-2012) (http://sustain.ucla.edu/campus/article.asp?parentid=39). TAMUK’s energy budget in 2012 was about $4.6 Million, so the difference in budget is a contributing factor to the green projects which TAMUK is able to enforce. Brown has implemented a strict, strategic goal of decreasing GHG emissions in existing facilities by 42% below 2007 levels by 2020 and reducing the GHG emissions in constructed and acquired facilities by 50% (http://news.brown.edu/pressreleases/2008/01/carbon-reduction). Projects at Brown University which are most applicable to TAMUK include involving students in environmentally friendly student organizations and competitions, like a solar car club. Another plan implemented at Brown is requiring that newly constructed buildings meet standards set by the Leadership in Energy and Environmental Design (LEED). Arizona State University’s calculated MTCO2e per person is 0.71. ASU’s plans to reduce GHG emissions incorporate retrofitting buildings and parking structures with low-energy lamps, adding electricity generators to the exercise equipment in the student recreation center, and composting waste. Composting waste is an innovative way of decreasing the amount of waste that goes to compost and, simultaneously, creating a chemical-free fertilizer. The population at the University of Oklahoma, on average, produced 1.5 MTCO2e per person, which is a very low value compared to other state universities. A green event conducted at the University of Oklahoma is a farmer’s market on campus where 19 local farmers from around the area bring fresh produce and goods for students to buy. This idea is great for supporting the local farms and for students to have access to local, nutritional produce. Also, obtaining local food as opposed to food transported from long distance will decrease our carbon dioxide emissions related to Scope 3 emissions. Overall, potential carbon reduction strategies that can be applied to TAMUK are: Improvement of electricity use efficiencies, e.g., more efficient lighting and air conditioning control systems throughout the existing buildings on campus Promotion of mass transportation and the reduction of single-occupancy vehicles. e.g., cheaper parking permits for carpooling, more frequent shuttle services between Corpus Christi and Kingsville Establishment of higher fuel-efficiency standards for university fleet vehicles Installation of electrical co-generation systems Enhancement of recycling programs for paper, plastic and glass as well as alkaline batteries, fluorescent light bulbs and print cartridges from business operations and home use Development of more effective use of building space and higher energy standards for new construction 20 Chapter 7 Conclusions The Clean Air-Cool Planet Carbon Calculator Version 6.8 was used to calculate Texas A&M University-Kingsville’s carbon footprint for the years 2011 and 2012 to provide a baseline for future carbon footprint research. The greenhouse gases accounted for in the carbon calculator include carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and fluorinated gas emissions which are categorized by scopes. The MT eCO2 of TAMUK in 2011 and 2012 were 63,499.4 MT eCO2 and 51,033.6 MT eCO2, respectively. Purchased electricity and student, faculty, and staff commuting contributed to 94% and 92% of the carbon footprint in 2011 and 2012, respectively. The lack of on-campus cogeneration of electricity and the amount of commuting conducted by students and staff, alike, are the reason TAMUK had a relatively high MT eCO2 per person compared to other universities chosen for the comparison in this study. Most universities who submit their emission reports to the EPA’s GHG Emissions Inventory have public transportation and co-generation available. However, universities around the nation, like the University of Oklahoma, have implemented sustainability plans to decrease their carbon footprint. These plans include constructing new buildings under LEED standards, upgrading insulation, and installing motion detecting lighting systems. Some of the sustainability projects that are most applicable in Kingsville involve promoting carpooling for faculty and students lived in Corpus Christi, getting students involved in green projects, adding generators to student recreation equipment, and upgrading air conditioning systems to be more efficient. The energy budget will have to be increased to accommodate such plans, but sustainable designs have the ability to save TAMUK money over time. 21 ACKNOWLEDGMENTS Dr. Rex Gandy, Provost and Vice President of Academic Affairs Laura Prange, Campus Sustainability Coordinator Pamela Trant, Senior Assistant to the Provost Christopher Vera, Associate Director of Facilities Planning and Construction Brittany Cord, Assistant Director of Facilities Administration Roberto Ramirez, Physical Plant Director Marilu Ybanez, Business Services Technical Coordinator Silvestre Chapa, Superintendent of Utilities Miao Zhuang, Director of Office of Information and Research Danielle Rios, Administrative Technical Assistant (OIR) Jennifer Alexander, Interim Director of Budgets Kyle McManus, University Farm Manager Marilu Salazaar, Director of International Studies 22 REFERENCES 1. IPCC, 2007: Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change [Solomon, S., D. Qin, M. Manning, Z. Chen, M. Marquis, K.B. Averyt, M. Tignor and H.L. Miller (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, 996 pp. 23