Oil spills can have devastating environmental consequences. A German firm may have found an unlikely way to mop them up using "miracle" cotton wool.
Colombia's cotton-top monkeys and other primates play a key role in preserving their ecosystems. Yet they are under threat due to deforestation, farming and the illegal pet trade.
This week on eco@africa, we have stories about a green car wash in Cameroon, a powerful cotton wool that could clean up oil spills and a self-charging bike. And we go in search of a rare frog.
The retail behemoth has posted its lowest numbers in over a decade. The news comes amidst an increase in online shopping, as well as a series of human rights scandals.
German firm Bayer's acquisition of US seeds company Monsanto, if approved, would create the world's largest agribusiness. But the deal has drawn criticism in India and sparked concerns among the nation's farmers.
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