The impact of the sand trade on Sierra Leone's coastal communities

Sand mining is a multi-billion dollar industry; sand and gravel are the second-most extracted resource, second only to water. In Sierra Leone, coastal communities have adopted sand mining as a critical source of income. But the people doing the mining also live the environmental consequences, and can see the changes. The World's Host Carolyn Beeler speaks with researcher Arnaud Vander Velpen about how sand mining is shaping local communities in Sierra Leone.