Buying organic free-range eggs feels like the ultimate green choice. But new research from the University of Oxford shows an unexpected climate cost. Going 100% organic free-range actually surges greenhouse gas emissions by 60% and doubles land use. Free-range hens eat more feed and suffer higher mortality. Better animal welfare is vital, but cage-free eggs carry a massive hidden carbon footprint. The truth is far more complex.

Adopting organic free-range model in UK could lead to greenhouse emissions equivalent to 2,316,000 tonnes of CO2, study suggests

If you want to do your bit to save the planet, you might think that opting for free-range organic eggs would be the most eco-friendly choice.