Considering the growing interest in plant-based eating, the COP26 negotiators missed an opportunity to make dietary and agricultural changes a main thrust of the global climate solution.
Cruelty and climate change on the COP26 menu: Cattle are
transported for slaughter across the Bulgarian-Turkish border. (Photo
credit: Jo-Anne McArthur/We Animals Media)
The impact of agriculture on climate change is significant. According to the
Environmental Protection Agency (EPA), the agriculture sector is responsible
for 10 percent of the total U.S. greenhouse gas emissions, after
transportation (29 percent), electricity production (25 percent), industry
(23 percent), and commercial and residential usage (13 percent). However,
according to Peter Lehner, managing attorney for EarthJustice, a nonprofit
environmental law firm, the EPA estimate is “almost certainly significantly
quite low.”
Lehner argues that most analyses exclude five unique sources of emissions
from the farming sector: soil carbon (carbon released during the disturbance
of soil), lost sequestration (carbon that would still be sequestered in the
ground had that land not been converted into farmland), input footprints
(carbon footprint for products used in agriculture, like the manufacturing
of fertilizer), difficult measurements (it is harder to measure the carbon
emissions of biological systems like agriculture than it is to measure the
emissions of other industries that are not biological, like transportation),
and potent gases (like methane and nitrous oxide).
Regarding that last source: Focusing on carbon dioxide as the main
greenhouse gas often ignores powerful planet-warming gases that are emitted
by agriculture and that are even more potent than carbon dioxide. Methane,
which is emitted by the burps and farts of ruminants like cows and sheep,
has up to 86 times more global warming potential over a 20-year period than
carbon dioxide (and also impacts public health, particularly in frontline
communities). Nitrous oxide, a byproduct of fertilizer runoff, has 300 times
more warming potential than carbon dioxide (and also harms plants and
animals).
Topics include:
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