Imagine the water circulation system of a swimming pool. Water is drawn into filters around the pool’s edge, stripped of debris, and then the cleaned water is pumped back into the pool, restarting the cycle. If the filtration system got shut off the water would quickly fill with dead bugs and leaves, grow stagnant, and create an environment ripe for algae and mosquitos. Tens of thousands of swimming pools abandoned during the U.S. housing crises created a public health hazard and helped mosqu...
Published on May 04, 2018 20:49