CO2

Climate Imperative: lower natural gas

October 31, 2019

                                                 Climate imperative: lower natural  gas                                                             Tractor swarm Dover Plains NY  January 2019          Qualitative summary Earth’s atmosphere handles methane and CO2 very differently.  It disposes completely (mostly by oxidation) of an [...]

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Divergent metrics for methane’s heating effect

October 26, 2019

CO2-e , CO2-e* and CO2-ew:  Divergent  Metrics for  Methane’s Additions  to  Atmospheric Heating in Scenarios of Sub-optimal or no Mitigation.    photo of a playground in Butler Co PA USA next to a fracking pad is by Moms for Clean Air Force   source: www.climatevisuals.org Summary: I did simulations using the GWP and the variant GWP* [...]

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CO2-e is the Wrong Metric for Methane’s Heating Effects

October 10, 2019

     Schematic illustration of how global mean temperatures respond to different emissions trends in carbon dioxide (CO2) and methane (CH4)  source Allen, Cain Lynch Frame (2018)   Summary The atmosphere,  a major sector of the carbon cycle,  manages methane (CH4) and carbon dioxide (CO2)  very differently.   Use of a Global Warming Potential ratio (GWP)  [...]

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Methane madness

August 10, 2019

  Rising unacknowledged  emissions of methane from the natural gas supply chain  are dangerously under-estimated as  a driver  of global heating and must be ended. Stephen Q. Shafer  MD MA MPH                                                                                                     Aerial view of fracking pad in Pennsylvania  photo source Smithsonian magazine Summary:  The  natural gas industry  is now  the largest source  of [...]

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Over-heaters Anonymous:the Methane Diet

June 24, 2019

                                                                                                    Why We Must Control  Methane Emissions Now! Note:  the title of this post has been changed to that immediately  above,  because the original title was a weak pun about a serious topic.  I have not changed the permalink,, since that is in  circulation already.  http://www.anchorageromneys.com/2019/06/over-heaters-a…e-methane-diet Summary:  This picture-essay   explains  why methane  must [...]

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Carbon Sequestration and Storage in Soil

December 30, 2017

Carbon  Sequestration and Storage  in Soil                                                                           image courtesy of www.fibershed.com   The  sixth  essay in a series on how American agriculture can  thrive in  a strenuous good-faith effort to halt global warming.  The  first five,   earliest first, are these: 1.   What-is-a-carbon-footprint  2.    Comparing-carbon-footprints-of-world-and-american-agriculture   3.    Fossil-fuels-in-the-carbon-footprint-of-american-agriculture   4.  Carbon-tax-and-american-agriculture   5.  Carbon foodprints [...]

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Fossil Fuels in the Carbon Footprint of American Ag

December 6, 2017

                                                                                                                                                                                                                          photo from Free Farm Images The  third  essay in a series on how American agriculture can  thrive in  a strenuous good-faith effort to halt global warming.  The  six,   earliest first, are these: 1.   What-is-a-carbon-footprint  2.    Comparing-carbon-footprints-of-world-and-american-agriculture   3.    Fossil-fuels-in-the-carbon-footprint-of-american-agriculture   4.  Carbon-tax-and-american-agriculture   5.  Carbon foodprints in American Agriculture 6. Carbon sequestration and [...]

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Comparing carbon footprints of world and American agriculture

December 2, 2017

              June grazing: photo by Stephen Shafer    Abstract In the  world, and in the USA, crop and livestock agriculture  accounts for about 10% of total greenhouse gas emissions.  In both spheres, fossil fuel combustion (FFC)    is usually tagged with only  9-12% of agricultural GHG releases.  Ag-related sources not [...]

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What is a Carbon Footprint

December 2, 2017

  Part 1.  What is a “carbon footprint”  and how do we use it?   First in the series,  directly below    Part 2.  Comparing the carbon footprints  of world and American agriculture.       Part 3.  Fossil Fuels  in the Carbon Footprint of American Agriculture  Part 4.   Carbon Tax  Part 5.  Carbon foodprints in American agriculture [...]

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