Understanding Carbon Footprint and Implementing Sustainability
Explore the concept of carbon footprint, sustainability, and practical solutions to achieve environmental goals. Learn how to calculate greenhouse gas emissions, identify sources, and take steps towards a more sustainable future. The challenges of weight loss and budget tightening are analogously presented to demonstrate the importance of clear goals and strategies in achieving sustainability.
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Tracking Your Carbon Footprint Implementing Sustainability Minnesota Chief Engineer s Guild Annual Conference September 10, 2009
The Challenge Ever tried to lose weight? Key Questions: 1. Current weight? 2. What do you eat? 3. How many calories a day do you eat? 4. Do you exercise? a) If so, how often? b) For how long? c) How many calories do you burn?
The Challenge Ever tried to tighten your budget? Key Questions: 1. Current salary? 2. How much do you spend? a) Mortgage b) Groceries c) Health care d) Gas e) Vacation
The Challenge Sensible Solutions: Clear-headed sensible approach Gather good information Identify goals Adopt a strategy
Implementing Sustainability How does one achieve sustainability? How does one go green? Practical processes that deliver quantifiable results Commitment to sustainability must be founded on quantitative, verifiable results
Carbon Footprint: Sustainability Scorecard Snapshot in time of the total GHG emissions Calculate footprint using standard methods World Resources Institute Protocol Consistent, verifiable
Carbon Footprint: Sustainability Scorecard Measure of the Total Greenhouse Gas Emissions Environmental impact into numerical calculation http://tbn0.google.com/images?q=tbn:uHI3P3Ex2XQmCM:http://www.borev.net/measure.jpg Unit of Measure Metric tons CO2eq emitted
Carbon Footprint: Sustainability Scorecard Main Greenhouse Gases and Sources
Carbon Footprint: Sustainability Scorecard
Carbon Footprint: Sustainability Scorecard Steps in determining the carbon footprint 1. Develop list of data Heating and cooling Electricity use Fuel use Waste management 2. Gather data 3. Tally and calculate 4. Analyze
Carbon Footprint: Sustainability Scorecard Entity CO2 eq per year (Mtons) Average US Household 27 Small Bank Branch Office Large Bank Datacenter 81 27,607 University Coal/Biomass Central Power Plant 270,000
Carbon Footprint and Sustainability Data collection and footprint calculation are just the beginning. Measure & Analyze Assess Plan Implement
Carbon Footprint: Sustainability Scorecard 5 campus community college Electricity 1%3% 10% Natural Gas 2% 2% Air Travel* 2% Fleet Fuel Farm 19% 61% 7,000+ mtons CO2eq in 2007 Aviation School Business Cars Commuting*
Managing Greenhouse Gases Annual GHG Reduction by Technology 4,500 4,000 3,772 3,326 3,500 3,540 3,351 Metric Tons, CO2 3,000 2,902 2,500 2,450 2,000 1,500 1,000 500 4 0 Cogeneration Enegy Efficiency Wind Turbine Biomass Gasifier Anaerobic Digester Photovoltaic Green Power
Managing Greenhouse Gases Cost per Metric Ton CO2 Avoided $450 $333.03 $350 $252.32 $250 $/Metric Ton $150 $80.21 $50 $12.33 -$11.67 -$12.24 -$17.97 Wind Turbine -$50 Cogeneration Enegy Efficiency Biomass Gasifier Anaerobic Digester Photovoltaic Green Power -$150
Managing Greenhouse Gases ECMs ECMs ECMs ECMs GHG Total 4A 24 15 18 25 21 14 19 23 9 3A 3B 20 11 2 4B 8 16 22 17 5 GHG Effect 11 14 23 16 22 24 3A 5 8 19 4B 2 4A 18 3B 20 17 25 15 9 21 Payback 14 23 11 22 3A 5 24 8 19 4B 2 4A 18 16 25 3B 20 9 21 15 17 Combo 14 11 23 22 3A 24 5 8 16 19 4B 2 4A 18 3B 20 25 9 17 15 21 Energy Conservation Measures Compared Key Payback = years GHG total = mtons CO2/yr GHG Effect= kg GHG/$ Combo=effect/payback Follow the Colors!
Carbon Footprint: Sustainability Scorecard What is known can be managed Guide for decisions on what to change Baseline against which to track changes Profit and loss statement of GHG emissions
Conclusion 200112085-001 understand that becoming sustainable is an ongoing process 200117608-001 200117602-001 not a one-time project.
Now Available! Tracking Your Carbon Footprint: A Step-by-Step Guide To Understanding and Inventorying Greenhouse Gas Emissions By Judith R. Purman Judy Purman jpurman@sebesta.com 651-634-7250
