The relationship between air pollution and cardiovascular harm was supported by another study, this time down to the level of specific types of pollution that appeared to have varying effects ...

How dark is the night sky where you live? If you’re in an urban area, the answer will likely be “not dark at all”. The pervasiveness of artificial light – be it in the form of streetlamps, billboards, ...

While residents living in north Denver and Commerce City know they’re often breathing dirty air, the large number of industrial businesses and highways in the area can make it difficult to pinpoint ...