[ad_1] Air pollution in the United States has decreased since about 1990 and a new study conducted at the University of North Carolina at Chapel Hill now shows that this improvement in …
Read More »Stricter rules on emissions have halved the number of deaths from air pollution in the United States
[ad_1] The researchers attributed the reduction in deaths to more stringent federal regulations over the period, particularly the Clean Air Act and the 2002 NOx State Implementation Appeal. They have also set …
Read More »