A thirsty world: the future of water

Fresh water is becoming increasingly scarce, as climate change and population growth puts greater pressure on resources. But the problem is one of mismanagement, rather than supply. When Jair Bolsonaro was sworn in as Brazil’s president in January, he spoke of a national effort to fix the country’s economy and to tackle crime and corruption. Can he deliver on those promises? And how a big-budget Chinese film reflects the philosophy of the country’s leader.

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