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Without the most basic resources \u2013 water, food and energy \u2013 the global economy could not function. Much of the world has grown used the ready supply of all three. But that might be changing. Demographics and climate change are likely to transform how we value and use essential resources. In this edition of Economic Tectonics, Joanna Haigh \u2013 a professor at London\u2019s Grantham Institute at Imperial College \u2013 explores how, in her view, such changes could have profound consequences for the future economy.

Producer: Sandra Kanthal

(Image: Map made of food, Credit: Shutterstock)