Pricing changes encourage water saving in North American cities and countries with high rates of water consumption,” says Michael D’Ancona, principal scientist at PNAS’s Science Applications Group, part of the National Science Foundation (NSF)

By |2020-09-05T09:55:56+00:00September 5th, 2020|Categories: 바카라 게임 방법|Tags: , , , , |

Pricing changes encourage water saving in North American cities and countries with high rates of water consumption," says Michael D'Ancona, principal scientist at PNAS's Science Applications Group, part of the National Science Foundation (NSF). D'Ancona's own university, California's Polytechnic State University, has pioneered several innovations to get cities and communities with water-sucking residents, and some of [...]