The staggering extent of illegal fishing, and its human and environmental costs, are only just becoming clear. We ask how to put a shadowy industry on a more even keel. The old guard likes to mock millennial investors, but they’re changing finance, possibly for the better. And as Berlin’s shiny new airport opens we ask: why is it nine years late? For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer