How human waste can protect Malawi's forests →
A prison in Malawi realised it was flushing valuable fuel down the drains—now it is using the power of poo to fuel its busy kitchens, aiding both inmates and forests. BBC FUTURE PLANET
A prison in Malawi realised it was flushing valuable fuel down the drains—now it is using the power of poo to fuel its busy kitchens, aiding both inmates and forests. BBC FUTURE PLANET