Landfill gas

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Science and technology

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What Wikipedia says

Landfill gas is a mix of different gases created by the action of microorganisms within a landfill as they decompose organic waste, including for example, food waste and paper waste. Landfill gas is a type of biogas, which is approximately forty to sixty percent methane, with the remainder being mostly carbon dioxide.

Excerpt from the Wikipedia article “Landfill gas”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Roger May, CC BY-SA 2.0, via Wikimedia Commons.