Scientists divided on whether methane-producing livestock can be planet friendly.

By E. Melanie DuPuis & Nicole Virgona

Research demonstrates that the industrial livestock system, which produces 95% of the world’s meat, is a major source of the hydrocarbon methane — a potent climate-killing greenhouse gas that cows emit with alarming regularity. Who has the solution, farmers who say soil can sequester carbon, or vegans who say the only good meat is no meat? Science is weighing-in.


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