Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the ...

"Both these types of pollution ... hold a map showing city landmarks in a clear day as they stand before the Manhattan city skyline during heavy smog brought by wildfire smoke from Canada.

It’s one of the more serious emerging pollution threats to the Great Lakes ... to educate and track the spread of nurdles, features a map of documented observations of nurdles along shorelines ...