Given the press, you’d be forgiven for thinking that reducing cattle numbers and moving to a plant-based diet is a climate solution up there with electric vehicles and offshore wind. Billions of dollars and euros and celebrity endorsements have been invested in plant-based and alternative protein startups. “Cows create global warming” is a truism of our time, shared by almost all right-thinking people. The emerging truth appears different. Not only is the climate impact of cattle confused and overblown — properly managed, grazing cows and sheep can be a climate and biodiversity solution. Meanw…