Sainsbury's shifts to white eggs to cut carbon footprint by 12.7%

Sainsbury's, the UK's second largest supermarket, plans to sell only white eggs in its own brand ranges, replacing brown eggs. The move follows data showing white eggs have a 12.7% lower carbon footprint, mainly because white hens eat less feed and lay eggs longer. The company says the change supports more sustainable dietary choices without compromising taste or nutrition. The switch also improves animal welfare, as white hens are less prone to feather pecking. Sainsbury's is working with suppliers to transition all own brand eggs to white shells, aiming to build a more resilient UK food system. The retailer previously tested white eggs during the pandemic, and now plans a full rollout.