People in Kenya have been paid to catch swarms of locusts eating farmers’ crops. The insects are full of protein and the captured ones are ground up and put into animal feed. The BBC’s Nick Holland and Claire Bates find out what tricks these 'locust hunters' use to catch the critters and what difference the cull makes. They also hear about a way of capturing tiny micro-plastic particles that come off car tyres and delve into a clever project feeding homeless people in Mumbai. Written and produced by Nick HollandPresented by Nick Holland and Claire Bates

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