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![Cities are already taking action. More than 50 cities across the globe are now working together, through the EAT C40 Food Systems Network, to create healthier and more sustainable urban food systems. Photo: saiko3p/Shutterstock. Oslo harbor at the Aker Brygge neighbourhood in Oslo](/sites/default/files/styles/listing_image_290x218/public/shutterstock_telegraph_oslo.jpg?h=e85f6c07&itok=PLzf0Eo1)
Can cities change the world through what they eat?
Shifting to healthier and more sustainable diets will benefit people and the planet – and build prosperity
Three years ago, our city of Oslo was the first to introduce a “climate budget”. The city government budgets its emissions like it budgets its money. Long-term political promises become…