Major Air Pollutants Have Declined

August 30, 2017, Lakewood, Colorado – Research funded by the US Department of Energy has found that major air pollutants have significantly declined between 2007 and 2015. Carbon dioxide fell by 20 percent, sulphur dioxide by a staggering 72 percent, nitrogen oxide by 50 percent, and tiny particles known as PM2.5 by 46 percent. The…