By Kaitlin Vortherms
When smog is so thick that it clouds our vision, we can see and acknowledge that air pollution is a problem. In December of last year, China issued its second ever red alert, their highest rating for air pollution, and last month, London broke modern air pollution records.
But on days when the haze has lifted, we tend to forget air pollution is still there. More to the point, we forget about how air pollution affects our health and the environment. It’s out of sight, a