A new study suggests that improvements in air quality over the Potomac watershed, including the Washington, D.C., metro area, may be responsible for recent progress on water quality in the Chesapeake Bay. Scientists from ...
Jul 26, 2016 in Environment
NBC executives say that pre-Olympics media reports about the Zika virus, polluted water and political unrest in Brazil helped the network's advertising sales.
Aug 04, 2016 in Business