Belching cows and the use of fertiliser can be easily curtailed, with huge climate benefits
Much was made of methane at COP26 in Glasgow this week. More than 100 countries signed on to the Global Methane Pledge advanced by the Biden administration, which calls for slashing this potent greenhouse gas by 30% in less than a decade.
Methane accounts for 10% of greenhouse gas emissions in the US, while nitrous oxide accounts for nearly as much — about 7%. Cutting both these pollutants can bring radical environmental benefits at relatively little economic cost. And in both cases, agriculture is the biggest culprit. Livestock production practices and the overuse of agrochemicals derived from fossil fuels produce the lion’s share of global methane and nitrous oxide emissions.
He should have. Solutions are growing in this space: a range of new pellets and chemical supplements are emerging from companies such as the Swiss start-up Mootral and the Dutch firm, Koninklijke, that function like Gas-X for cows. Moreover, basic dietary changes for cows can alter their digestive chemistry and reduce their belching and flatulence.
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