Clean water and clean power, especially in remote areas of Africa and other developing nations, are critical challenges. One piece of technology, Microbial Fuel Cells, (MFCs) could help address both problems, and bring the additional benefits of mobile communications - changing the lives of millions. In one incarnation, it might also reduce the scourge of malaria.
As the world welcomes its 7 billionth inhabitant the pressures on water supplies continue to rise, often ignored and underestimated. The pressures on water supply present huge challenges, but also opportunities to improve capture, conservation and management.