The Mexico City district of Xochimilco serves as a breadbasket for the capital: Since before the Aztec age, locals have grown fruit and vegetables on small islands rooted to shallow canal beds – known as “chinampas.” Today, that way of life is under threat from pollution, urbanization and economic pressure. Countless chinampas have been abandoned or sold as families move away to seek a more sustainable line of work. But the new Arca Tierra project hopes to save traditional farming – with help from leading chefs. https://monocle.com/radio/shows/the-menu/499/saving-the-art-of-traditional-farming-in-mexico/