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> On May 31, 2017, at 9:36 AM, Louis Proyect via Marxism > <marxism@lists.csbs.utah.edu> wrote: > > The real takeaway from the article is the impact that nitrogen-based > fertilizer has on climate change. On standard assumptions, NO2 contribution to warming is roughly 6% of total — not nothing, but small compared to that of CO2 and CH4: https://www.epa.gov/ghgemissions/global-greenhouse-gas-emissions-data <https://www.epa.gov/ghgemissions/global-greenhouse-gas-emissions-data> CH4 (methane) is the greenhouse gas that urgently needs to be getting much more attention than it does, due to the combined impacts of the fracking boom (and the inherent impossibility of meaningfully controlling leaks from its sprawling supporting infrastructure) and the fact that the timescales conventionally used to estimate its contribution to warming are way off, seriously under-estimating its near- to mid-term effects: https://link.springer.com/article/10.1007/s10584-011-0061-5 <https://link.springer.com/article/10.1007/s10584-011-0061-5> _________________________________________________________ Full posting guidelines at: http://www.marxmail.org/sub.htm Set your options at: http://lists.csbs.utah.edu/options/marxism/archive%40mail-archive.com
