People should cut the amount of beef, lamb and dairy produce they eat by a fifth to combat climate change, a report says. It says public bodies should lead the way by offering plant-based options with all meals. But it says if people don’t cut consumption willingly, taxes on meat and dairy might be needed. The report comes from the government’s official advisers, the Committee on Climate Change (CCC). Its chief executive Chris Stark told BBC News: “We can't meet the government's 2050 Net Zero target without major changes in the way we use the land, the way we farm,...