This is the best summary I could come up with:

The food system accounts for around 30 percent of global greenhouse emissions from farm to fork to garbage dump, and it is a major culprit in biodiversity loss.

And hunger has risen in the last three years, as the coronavirus pandemic and the Russian invasion of Ukraine have upended the global food and energy supply chain.

More than two-thirds of the world’s countries endorsed an agreement to retool the global food system, though it’s vague, lacks concrete targets, and is nonbinding.

In North America, food experts said, it means nudging citizens to eat less meat and dairy, which produce high emissions.

“We are at this reckoning point where we have to move away from pure awareness raising and actually start changing habits,” Yvette Cabrera, a food waste expert at the Natural Resources Defense Council, said.

One measure of the coming food fight is that it’s unclear whether there’s any appetite to include agricultural emissions targets in the main agreement, which is the subject of bitter negotiations at the moment.

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In the US, end corn subsidies. Then sugar is more expensive, meat is more expensive, people eat less of both. Emissions go down, health care costs go down. There would be some growing pains, and SNAP benefits would need to increase because this would predominantly affect the working poor.