Humane Foundation
Topic hub · Climate & Planet

Methane & Livestock Emissions

Livestock methane is the shortest-lived and most tractable major climate forcer. This hub explains enteric fermentation, GWP100 versus GWP*, feed additives, manure lagoons and what dietary shift would actually deliver.

Stories
9
Writers
6
Reading time
43m
Desks
2
An aerial view of a sprawling green agricultural field, showing the industrial scale of modern farming and fertiliser application at sunrise.
Featured Stories

Feeding the World, Warming the Planet: The Nitrogen Fertiliser Dilemma

Synthetic nitrogen fertiliser underpins the global food supply, but its production and use release a powerful greenhouse gas, forcing an urgent search for less destructive ways to feed humanity.

By Isabelle Moreau · 7 min read

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Frequently asked questions

How much of global emissions come from animal agriculture?
Estimates commonly range from roughly 11% to 20% of global greenhouse gas emissions depending on boundary choices such as land-use change and supply-chain accounting.
Why does methane matter so much?
Methane traps far more heat than CO2 over a 20-year window but breaks down within about a decade, so cutting it lowers near-term warming quickly.

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