Colin Hills

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  • Professor of Environment and Materials Engineering and Director of the Centre for Contaminated Land Remediation, University of Greenwich
Barren Ethiopian refugee camps like this one in Chagni will benefit from setting up wetlands to prevent dangerous flash flooding in storms. Jemal Countess/Getty Images

Africa’s refugee camps are plagued by flooding: we looked into drainage systems that can withstand local conditions

Kiran Tota-Maharaj, Royal Agricultural University; Upaka Rathnayake, Atlantic Technological University; Colin Hills, University of Greenwich; Oluwatoyin Ajibade, London South Bank University, and Shanika Arachchi, Atlantic Technological University

Refugee camps in Ethiopia need to be made more liveable. Creating wetlands to provide greenery, absorb flash floods and purify polluted water may help.

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