Up to 90 per cent of the world's electronic waste, worth nearly US $19 billion, is illegally traded or dumped each year.

That’s according to a report released by the United Nations Environment Programme (UNEP).

Ghana and Nigeria are among the key destinations in Africa for large-scale shipments of obsolete computers and other hardware.

Cathrine Hasselberg has been speaking with Christian Nellemann from GRID, a centre in Norway working with the UN on the issue.

She began by asking him about some of the problems associated with the dumping of so-called E-waste.

Duration: 3’52"