eating less meat can save the environment

"If we're honest, less meat is good for the health, and would also at the same time reduce emissions of greenhouse gases."

The UN Food and Agriculture Organization (FAO) has estimated that direct emissions from meat production account for about 18% of the world's total greenhouse gas emissions.

The FAO figure of 18% includes greenhouse gases released in every part of the meat production cycle - clearing forested land, making and transporting fertiliser, burning fossil fuels in farm vehicles, and the front and rear end emissions of cattle and sheep.

Transport, by contrast, accounts for just 13% of humankind's greenhouse gas footprint.

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