How entrepreneurs in Nigeria are finding value in waste

Workers gathering piles of scrap automobile aluminium and metals for recycling at the Romco factory in Lagos. Photo: AFP

Mounds of waste scattered along roads and vast landfills are a Nigerian eyesore.

In Africa's biggest economy and most populous country, collecting, sorting and recycling trash is despairingly rare.But there is also good news. Some entrepreneurs are working hard to tackle the rubbish mountain, despite the many challenges.