Morrisons has launched a range of "carbon impartial eggs" made by chicken that have eaten bugs, which were reared on the company's food scraps.
The supermarket declared it would be the first to place on the market a number of carbon-neutral eggs as part of the retailer's drive to get a direct supply from zero emissions UK farms by 2030.
The hens, which lay the eggs, feed on soft-soy foods, including insects fed on leftovers from Morrisons bakery, fruit and vegetables, using an in-house insect container provided by Better Origin, a British start-up.
The supermarket stressed that any insects are a natural feature of chickens diet and have no adverse effect on the quality, shelf life or flavour of the Eggs.
Removal of soya will reduce emissions from large-scale forestry for growth in the world's crop from countries such as Brazil and the pollution that comes from animal feed transport.
The farm, where the first set of non-CO2 eggs originate, also provides a large wind turbine, solar panels and a scheme to offset the remaining emissions of the farm, with 1 / 5 of its land covered in trees.
A Cambridge University report that examined the eggs production of eggs, including their insect breeding unit, food waste transportation, the collection of locally grown cereals, and the keeping and nursing of chicken, shows that they are CO2 neutral.
Ian Bamford, commercial Director, Cambridge University 'We were delighted to have the opportunity to review and analyze the approach Morrisons has taken to calculating the carbon impact of several of its egg producers .