The domes are stacked on top of each other, and filled swith bacteria that cleans sewage. The increased surface area of the domes means that more sewage can be treated – and at a low cost too.
Topple Trump, politics, renewable energy, water
The domes are stacked on top of each other, and filled swith bacteria that cleans sewage. The increased surface area of the domes means that more sewage can be treated – and at a low cost too.