Cameroonian Chemist Cleans Up Environment by Turning Waste Oil into Soap

In Cameroon’s port city of Douala, most used cooking oil from hotels and restaurants was once dumped down the drain, where it fouled up plumbing systems and caused pollution. A Cameroonian chemist decided to use his knowledge to change that practice. Moki Edwin Kindzeka has this report by Anne Nzouankeu in Douala, Cameroon.