Heather Stewart is joined by Paul Collier, Alexander Betts and Kate Lyons to discuss potential policy solutions to the global refugee crisis. Is United Nations approach fit for purpose? Does the EU have more of a role to play? And how can the world’s richest countries use their power and wealth more effectively?

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Last summer, every week seemed to bring more grim news of desperate refugees drowned in the Mediterranean as they fled war in Syria and elsewhere to seek safety in Europe.

The flow has slowed from a peak in 2015 and the issue has – for now – dropped down the political agenda. But thousands of people have already made the perilous journey across the Mediterranean already this year. And this week, a former UK envoy in Libya warned that a million more migrants may already be on their way to Europe.

Meanwhile in the UK, campaigners reacted furiously last month when the Home Office said it was preparing to stop bringing in refugee children under the so-called Dubs amendment – a resettlement scheme fought for by Lord Alf Dubs himself once a refugee from Nazi Germany. The scheme was halted after only 350 children had been allowed in.

It’s a hugely emotive debate; but is there a solution that goes further than just political sticking plasters? And are the current international institutions up to the job?

Joining Heather Stewart this week are the authors of a new book Refuge , Oxford professors Alexander Betts and Paul Collier.

With them is the Guardian’s Kate Lyons – commissioning editor of a major new Guardian series on refugees called the New Arrivals.