How much of global emissions come from food?

Roughly a quarter to a third of anthropogenic greenhouse gas emissions, with animal agriculture responsible for the majority of the food-system share.

Why does livestock methane matter so much?

Methane traps far more heat than CO2 over a twenty-year window but breaks down within about a decade, so cutting it lowers near-term warming quickly.

Science & Policy

Food systems and climate science

The measurable side of the food-and-climate story: which gases come from where, why methane's short lifetime matters, and how dietary change compares with other mitigation levers.

3: Stories
2: Desks
1: Contributors
5,154: Words

Climate Factory Farming

Large livestock carrier ship transporting sheep for live export from the UK.

Factory Farming

5 Myths About Live Exports From the UK, Debunked

Uncover the harsh realities and common misconceptions surrounding the UK's live animal export trade, exposing the truth behind this controversial practice.

Dr. Eleanor Vance · 7 min · 1,606 words

Humane meat UK 2026 label on a supermarket meat product, highlighting consumer choices.

Factory Farming

The State of ‘Humane Meat’ in 2026: What the Data Show for UK Consumers

Explore the current landscape of 'humane meat' in the UK market, uncovering why this marketing term often falls short of genuine animal welfare and ethical standards.

8 min read

Overcrowded conditions in an industrial animal agriculture chicken farm, illustrating public health risks.

Factory Farming

The Public-Health Case Against Industrial Animal Agriculture: Sparking the Next Pandemic

Industrial animal agriculture is a significant public health hazard, creating ideal conditions for zoonotic pathogen emergence and the spread of antibiotic resistance, sparking the next pandemic threat.

9 min read

Questions this hub answers

How much of global emissions come from food?: Roughly a quarter to a third of anthropogenic greenhouse gas emissions, with animal agriculture responsible for the majority of the food-system share.
Why does livestock methane matter so much?: Methane traps far more heat than CO2 over a twenty-year window but breaks down within about a decade, so cutting it lowers near-term warming quickly.