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Why Methane Matters: The Need for World-wide Monitoring of Methane
Why Methane Matters: The Need for World-wide Monitoring of Methane
Why Methane Matters: The Need for World-wide Monitoring of Methane
Why Methane Matters: The Need for World-wide Monitoring of Methane
Why Methane Matters: The Need for World-wide Monitoring of Methane
Why Methane Matters: The Need for World-wide Monitoring of Methane
Why Methane Matters: The Need for World-wide Monitoring of Methane
Why Methane Matters: The Need for World-wide Monitoring of Methane
Why Methane Matters: The Need for World-wide Monitoring of Methane
Why Methane Matters: The Need for World-wide Monitoring of Methane
Why Methane Matters: The Need for World-wide Monitoring of Methane
Why Methane Matters: The Need for World-wide Monitoring of Methane
Why Methane Matters: The Need for World-wide Monitoring of Methane
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Why Methane Matters: The Need for World-wide Monitoring of Methane

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This is Elton Sherwin's presentation on Why Methane Matters - The Need for World-wide Monitoring of Methane …

This is Elton Sherwin's presentation on Why Methane Matters - The Need for World-wide Monitoring of Methane
Prepared for June 13, 2013
Public Workshop for the Update to AB 32 Scoping Plan



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  • 1. Carbon Zero InstitutePrepared for June 13, 2013Public Workshop forThe 2013 Update toAB 32 Scoping PlanElton SherwinExecutive DirectorCarbon Zero Instituteesherwin@carbonzeroinstitute.orgwww.carbonzeroassociation.orgWhy Methane Matters
  • 2. Carbon Zero InstituteMission: Net Zero by Mid CenturyFocus: Gigaton Projectswww.carbonzeroinstitute.orgMonitor Methane Worldwide– All sources– Sources are local, impact is global• Ranching, mining, oil and gas, pipelines,refining, landfills, homes and businesses• Tundra, permafrost and ocean clathrates10,000 years of CO2Net ZeroMid Century
  • 3. IPCC Summary for Policymakers http://www.ipcc.ch/pdf/assessment-report/ar4/wg1/ar4-wg1-spm.pdfMethane is PowerfulWarming Agent100 Year GWP
  • 4. More Potent than CO2Lifetime(years)GWP20-yrGWP100-yrCarbon dioxide CO2 1 1Methane CH4 12 72x 25xNitrous oxide N2O 114 289x 298xHFC-23 CHF3 270 12,000x 14,800xhttp://www.ipcc.ch/publications_and_data/ar4/wg1/en/tssts-2-5.htmlTwenty to 70+ times the global warming potential (GWP) of CO2depending on timeframe
  • 5. Methane Rising AgainWhy?p.p.b.v is parts per billion by volumeChart cropped by NASA, full chart is available online:http://www.jpl.nasa.gov/news/news.php?release=2012-263http://www.nasa.gov/topics/earth/features/earth20120828.htmlNASA and UC Irvine 1995 to 2011 Yellow line added
  • 6. Need Better MonitoringWith a 12-year Life,We Should Be Able toReduce AtmosphericMethanehttp://www.cmar.csiro.au/research/capegrim_graphs.htmlhttp://www.environment.gov.au/soe/2001/publications/theme-reports/atmosphere/atmosphere02-16.htmlRed lines added
  • 7. Carbon Zero InstituteAn Advocate forNet zero emissionsMid centuryStylized graph of CO2 levels over the past 10,000 years from ice cores and measurements at Mauna Loahttp://www.skepticalscience.com/are-humans-too-insignificant-to-affect-global-climate.html
  • 8. AppendixUC Irvine and NASAp.p.b.v is parts per billion by volume Yellow line addedhttp://www.jpl.nasa.gov/news/news.php?release=2012-263http://www.nasa.gov/topics/earth/features/earth20120828.html
  • 9. Differing Estimates of theImpact of Black CarbonLowIPPCMediumHansen & SatoHighJackson, UCBImpact varies by location,methodology and timeframe
  • 10. Hansen J E , and Sato M PNAS 2001;98:14778-14783©2001 by National Academy of SciencesHansen and Sato
  • 11. Twenty year GWPChart from Addicted to Energy, research by Stacy Jackson, UC Berkeleyhttp://www.stacycjackson.com/images/Copenhagen_Conference_Handout_-_Mar_2009.pdf
  • 12. Recommendations from Stacy Jackson’s website associated with the prior chart (2009)

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