See the difference between cage-free egg production and battery-cage egg production.
Free-range eggs: What to know
UK chickens are still caged - and they need our help
A new law requires all eggs sold in Washington to be cage-free
Cage-free vs. battery-cage eggs The Humane Society of the United States
Cage-Free Eggs Vs. Conventional Eggs: Everything You Need To Know
Humane Society: Undercover video shows alleged abuse at egg farm
Humane Society Files Complaint with FDA Against Costco Egg
Are Widespread Cage-Free Eggs a Real Victory for Hens and
Breaking: Massachusetts passes law to end cruel, immobilizing
The FoodPrint of Eggs - FoodPrint
McDonald's switching to cage-free chickens for its Egg McMuffins
Cage-free eggs: US food companies under pressure - Poultry World
Battery cages The use of Battery Cages in the Egg Industry
Who really benefits from the egg industry deal?
Suddenly, the Hunt Is On for Cage-Free Eggs - The New York Times