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Audrey schulman2015masccc

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Presentation at the 5th Massachusetts Sustainable Communities and 4th Sustainable Campuses Conference

Published in: Environment
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Audrey schulman2015masccc

  1. 1. HEET Squeaky Leak Report Audrey Schulman, President
  2. 2. HEETma.org • Efficiency maven for nonprofits & their communities • Started 2008 • EPA Award • Greater Boston area HEET
  3. 3. HEETma.org New England Pipes • Some pipes in Boston area from 1880s • Old pipes leak and can crack • Lost gas = 2.7% (recent Harvard Univ. study)
  4. 4. HEETma.org Natural Gas Leaks • Potentially explosive
  5. 5. HEETma.org Natural Gas Leaks • Potentially explosive • Hurt human health
  6. 6. HEETma.org Natural Gas Leaks • Potentially explosive • Hurt human health • Kill trees
  7. 7. HEETma.org Natural Gas Leaks • Potentially explosive • Hurt human health • Kill trees • Powerful greenhouse gas (natural gas when burned)
  8. 8. HEETma.org Natural Gas Leaks • Potentially explosive • Hurt human health • Kill trees • Powerful greenhouse gas (when not burned)
  9. 9. HEETma.org Natural Gas Leaks • Potentially explosive • Hurt human health • Kill trees • Powerful greenhouse gas
  10. 10. HEETma.org Natural Gas Leaks • Potentially explosive • Hurt human health • Kill trees • Powerful greenhouse gas • Paid for by the ratepayer
  11. 11. HEETma.org So we mapped Cambridge and Somerville.
  12. 12. HEETma.org
  13. 13. HEETma.org
  14. 14. HEETma.org Somerville • 5.2 leaks per linear mile of street • total: 482 leaks • City trees: 75 to 125 dead or damaged • Cost = $100/ gas-using household year
  15. 15. HEETma.org Cambridge • 2.1 leaks per linear mile of street • 305 total leaks • City trees: 150 to 200 dead or damaged • Cost = $28/gas-using household • 5-year street reconstruction plan seems helpful
  16. 16. HEETma.org - 20,000 40,000 60,000 80,000 100,000 120,000 140,000 160,000 CO2 from Cambridge passenger cars GhG from Lost Gas (100 year time horizon) GhG from Lost Gas (20 year time horizon) tCO2e/year Climate Impacts of Burned and Lost Natural Gas in Cambridge MA (2014 Estimate)
  17. 17. HEETma.org
  18. 18. HEETma.org Hull
  19. 19. HEETma.org Recommendations • Get leak map for your town from HEET • Prioritize street repair based on leaks • Use next year’s leak map to check results • Inform DPU & AG of missed leaks • Check tree pits for leaks before planting • Have 5-year street repaving plan and work with utility • Pass local resolution in support of Ehrlich’s state bill to pass cost of wasted gas onto utilities
  20. 20. HEET HEETma.org Audrey Schulman, President Audrey.Schulman@heetma.org

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