How mattresses can relieve hunger

The refugees from the Za'atari camp in Jordan and a team of scientists from Sheffield in the UK work together to grow fresh food from the old moss mattress.

Moss serves as a substrate instead of soil in a system called hydroponics and solves two problems in one: recycling old mattresses piled up in the warehouse and creating a way to grow fresh food in a place where the land is closed agriculture is poor and too salty for anyone

Victoria Gill went to the Jordan camp to see how it works.

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