Pakistan is battling a huge natural disaster as a result of heavy monsoon rains. It’s been widely reported that a third of the country is under water. But can that really be the case? Featuring the BBC’s correspondent in Pakistan Pumza Fihlani and Dr Simon Cook, a senior lecturer in Environmental Science at the University of Dundee. Presenter: Tim Harford Producer: Jon Bithrey Editor: Richard Vadon Production Coordinator: Jacqui Johnson Sound Engineers: Graham Puddifoot & James Beard (Image: aerial photograph of flooded residential areas after heavy monsoon rains in Dera Allah Yar, Balochistan province. Credit: Getty/Fida Hussain)