The biologist carried out an experiment at the University of Hohenheim in which she attached different plants in pots to a disc that rotates horizontally.
Tony Joy, founder of Durian in Nigeria, tells DW about the battle she is waging against waste in rural communities. It's an uphill fight with surprising results.
In a megacity like Lagos, car tires often end up as waste on the city's streets. Olamide Ayeni, founder of local initiatve Pearle Recyclers, is trying to salvage beauty from the rubbish heap.
Fashion firms are tapping into growing public outrage at plastic pollution by offering snazzy garments made from old water bottles and other waste. But will it catch on — and can it make a difference?
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