They installed a pair of air particle monitors in each of the homes, one in the area of the house closest to where smoking usually occurs and one in the child's bedroom. (sciencedaily.com)
Scientists found that emissions of tiny air particles from human - made sources — known as anthropogenic aerosols — were the cause. (sciencedaily.com)
The study is the first to provide a global estimate of maritime shipping's total contribution to air particle pollution based on direct emission measurements. (sciencecodex.com)