Calculating the Campus Nitrogen Footprint
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1 University of Massachusetts Amherst Amherst ECSC Conference 2015 Sustainable UMass 2015 Calculating the Campus itrogen Footprint Allison Leach University of ew Hampshire - Main Campus Jennifer Andrews University of ew Hampshire - Main Campus Follow this and additional works at: Part of the Sustainability Commons Leach, Allison and Andrews, Jennifer, "Calculating the Campus itrogen Footprint" (2015). ECSC Conference Retrieved from This Article is brought to you for free and open access by the Sustainable UMass at ScholarWorks@UMass Amherst. It has been accepted for inclusion in ECSC Conference 2015 by an authorized administrator of ScholarWorks@UMass Amherst. For more information, please contact scholarworks@library.umass.edu.
2 Calculating the campus nitrogen footprint Allison Leach and Jennifer Andrews (UH) Jim Galloway, Lia Cattaneo, Elizabeth Castner (UVA), John Aber (UH) ECSC, UMass Amherst, 10 April 2015
3 Presentation outline 1 The nitrogen dilemma 2 What is a nitrogen footprint? 3 Calculating the nitrogen footprint of UVA and UH 4 Combining the carbon and nitrogen footprint
4 1 The nitrogen dilemma What is REACTIVE ITROGE? Unreactive itrogen Reactive itrogen H H O H O O O 2 All types of nitrogen except 2
5 Reactive is Created By: atural processes: itrogen fixation by microbes Also: lightning Man-made processes: Fossil fuel combustion Haber Bosch process
6 Energy Production Food Production E V I R O M E T
7 Too Much Too Much itrogen; itrogen: Too Many In a Cascade Consequences E V I R O M E T Smog, Haze Ozone Hole Forest Dieback Global Warming Acidification Dead zones
8 The itrogen Dilemma Benefits: ecessary for life Synthetic nitrogen fertilizer provides unlimited food supply Drawbacks: Excess reactive nitrogen negatively affects environmental and human health Challenge: Optimizing the use of nitrogen, while minimizing the negative impacts
9 Addressing the nitrogen challenge 1. Technology 2. Policy 3. Personal/institutional Action
10 2 What is a nitrogen footprint? A nitrogen footprint is the amount of reactive nitrogen released to the environment as a result of an entity s resource consumption itrogen footprints focus on 2 areas of resource consumption: Food* Energy *Food consumption and production
11 Food consumption = that enters human mouth Food footprint: Definitions Virtual = Food production = lost to the environment during the food production process
12 The impact of FOOD CHOICES on a nitrogen footprint E V I R O M E T 3 oz steak 15 g of protein ½ cup of beans 15 g of protein E V I R O M E T
13 footprint (kg /person/yr) Personal footprint in United States USA Goods & services Transport Housing Food production Food consumption
14 University of Virginia 2010 itrogen Footprint 3 Calculating the nitrogen footprint of UVA and UH Meat FOOD PRODUCTIO 180 MT FOOD COSUMPTIO 23 MT UTILITIES 234 MT Dairy & Eggs Veg & Grains Purchased Electricity Seafood 492 metric tons TRASPORTATIO 30 MT Heating Commuting Fleet
15 How could UVA s footprint change?
16 REDUCTIO STRATEGIES in place or in progress at UVA EERGY & OTHERS $ Storm water offsets FOOD Sustainable Food Organic Food COMPLETE I PROGRESS
17 Extending the nitrogen footprint to other institutions Universities: UH, Brown, Colorado State, Dickinson, MBL Secondary schools with EarthEcho Watersheds: Chesapeake Bay with CBF Cities: Baltimore
18 Applying the model to UH
19 What will be new in the UH nitrogen footprint? Research farms Sustainability initiatives Cogeneration & EcoLine Carbon goal E 50 by 60 goal Compost heat recovery
20 itrogen footprint tools: Data template and user s manual
21 Calculating YOUR ISTITUTIO S footprint DATA REQUIRED: Utilities Transport Food Other Energy consumed Fuel consumed Commuter miles Food purchases Food waste Research farms Fertilizer loss factors How does this overlap with your carbon footprint?
22 4 Combining the carbon and nitrogen footprint DATA REQUIRED: Utilities Transport Food Other Energy consumed Fuel consumed Commuter miles Food purchases Food waste Research farms Fertilizer loss factors Carbon Footprint data Food sustainability tracking data
23 Relationship to Carbon Footprint
24 A combined carbon and nitrogen campus tool? A combined tool would provide: Broader picture of environmental impact Connections to local impacts Win-win for reduction strategies We want your feedback! Would you use a combined tool? Do you want to calculate the C footprint of food? We need universities to test the footprint tool!
25 Summary: University Footprints itrogen challenge We must optimize nitrogen s benefits while minimizing its negative consequences Institutions: Contact us to calculate your institution s footprint info@n-print.org Consumers: Calculate YOUR nitrogen footprint: Questions? Allison.Leach@unh.edu Jennifer.Andrews@unh.edu
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