Tech + old mattresses make gardens grow in refugee camp

Some 80,000 people live in the Za’atari refugee camp in Jordan, the world’s largest for people fleeing the war in Syria. As the camp has evolved from a temporary tent city to a semi-permanent settlement of prefabricated houses, a surprising challenge has emerged: what to do with thousands of discarded mattresses. Chemist Tony Ryan from the University of Sheffield knew exactly what to do — use them to grow food. Amy Scott spoke with Victoria Gill, who reported this story for BBC.

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