A new study estimates for the first time how much land and water well-known brands such as Apple, Kraft and Gap use in a year, and what’s needed to manufacture some of the products they sell.Based on modelling by environmental data experts Trucost, the ‘Mind your step’ report published by Friends of the Earth examines the land and water ‘footprints’ of a range of diverse products including smartphones, leather boots, coffee, chicken curry ready-meals, t-shirts, and milk chocolate.