A new study has found that a 2011 estimate of methane emissions generated by the planet's livestock was incorrect, with the new finding indicating that they were actually 11 percent higher than the numbers used by the Intergovernmental Panel on Climate Change (IPCC), leading to the guidelines and targets set out in the Paris climate accord. Methane (CH4) is produced from the decomposition of biological matter, such as livestock manure, and is a potent greenhouse gas, retaining up to 86 times more heat energy than the same mass of carbon dioxide over a 20-year period.
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