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What happens to food in a landfill

Food sent to landfill breaks down into methane.

Rotting fruit and leaves scattered on a dark deck

Food does not simply disappear when it is thrown out. Buried under other waste, it breaks down without oxygen and releases methane, a short-lived and powerful greenhouse gas.

The scale is national. The Government of Canada identifies landfills as a large source of the country’s methane emissions, and has set out Landfill Methane Regulations to reduce them. Organic waste makes up a large share of what goes into an Ontario household’s garbage, according to the Association of Municipalities of Ontario. The Government of Ontario reports that the province’s waste sector is a significant source of greenhouse gases.

The UN Environment Programme reports that food loss and waste is a significant source of global greenhouse gas emissions. Produce that a farm hands to a food bank never reaches a landfill, and never adds to any of it.

Methane is the reason.

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The UN Environment Programme reports that food loss and waste is a significant source of global greenhouse gas emissions.