主播大秀

We find out why the cost of crude oil has tumbled more than 5% in one day. Professor Tom James of the energy consultancy Navitas offers us his assessment. Also in the programme, Ed Butler reports on how European and American electronic waste dumped in Accra, Ghana is threatening people's health. We find out how satellite technology might help the fight against illegal fishing. And we hear from Paris how the Canal Saint-Martin is being drained for cleaning from Celia Blauel, deputy mayor of Paris.

(Picture: An oil refinery worker. Picture credit: Getty Images.)