Air pollution ... Mashable Light Speed Want more out-of-this world tech, space and science stories? Sign up for Mashable's weekly Light Speed newsletter. You can use the map to choose the cleanest ...

The new study, published in the journal Science Advances, shows that global light pollution has increased by about 2 percent per year from 2012 to 2016. This increase is important to document ...

A new report has shed light on the locations of the most polluted cities in the U.S. On Tuesday, IQAir, a Swiss tech company ...