Livestock produces 12% of human greenhouse gases: FAO


Published: December 9, 2023, 01:35 PM

Livestock produces 12% of human greenhouse gases: FAO

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Livestock is responsible for 12 percent of greenhouse gas emissions caused by humans and its impact will only increase as meat consumption rises, the UN Food and Agriculture Organization said Friday.

To reduce emissions, the Rome-based agency in a report called for improving the productivity of the entire production chain, adjusting animal feed and improving animal health.

It also suggested efforts to reduce meat consumption in wealthy countries, but said it would have limited effects.

Cattle are responsible for 62 percent of livestock-related emissions, followed by swine at 14 percent, poultry‍‍`s nine percent, buffalo at eight percent and sheep and goats at seven percent.

Examining the final products, meat production is responsible for 67 percent, ahead of milk at 30 percent and eggs at three percent.

Direct livestock emissions, from animal flatulence and waste, represent 60 percent of the total, with the rest coming from indirect emissions such as production of pesticides and fertiliser for animal feed, transportation, and the clearing of forests to make pasture and soy farms.

Meat consumption tends to rise with economic growth and urbanisation, even if in some cases it is held back by concerns about climate, health and animal welfare, the FAO said.

Still, world population growth is likely to drive a 21-percent increase in animal protein consumption between 2020 and 2050, the agency said.

The FAO said the most efficient way to reduce emissions is to increase productivity all along the chain, for example using various techniques to increase the amount of milk per cow or sending animals for slaughter at a lower age.

Reducing meat consumption will have a limited impact if it is replaced at meals by non-seasonal vegetables grown in greenhouses or transported by air.

Cattle raised in large US lots tend to emit less than those raised in sub-Saharan Africa, the report says.

"This is not to promote intensification in these regions at all costs, but rather to advocate learning from systems with relatively lower emission intensities," it said.


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