Conference Agenda
Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).
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Daily Overview |
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Egg-Timer: Climate Change and Agriculture 2 Location: D-111 Session Chair: Weicheng Jiang, LSE | |
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Unpacking the Growth of Agricultural Greenhouse Gas Emissions Cornell University, United States of America Agriculture, forestry and other land use contribute about a fifth of total anthropogenic greenhouse gases (GHG) emissions. Mitigation efforts have emphasized “decoupling” that sustains production while lowering emissions per unit of output. However, the underlying decoupling mechanisms have not been fully characterized. We rely on a mathematical identity to decompose agricultural GHG emissions growth (\Delta E) into 3 parts: output (\Delta Y), emissions per unit of input (\Delta E/X) and output per unit of input (\Delta Y/X) or Total Factor Productivity (TFP). We then rely on official country-level data to quantify the historical contribution of these components. Over 1961-2021, we find that TFP growth —which captures the sector’s ability to produce more output per unit of measured input— has consistently remained one of the main sources of GHG emissions reduction within farms. Further decomposition reveals a key role for rising land productivity in reducing emission intensity. | |