The state has been working for a year to update its plan to reduce the amount of pollutants that flow into waterways from farmland, city streets, your back yard and other places you might not suspect ...

A startup spent the last three years developing markers that convert air pollution into marker ink. Graviky Labs’ AIR-INK markers filter particulate matter, the nasty stuff that comes out of vehicle ...

Four South Asian countries -- Bangladesh, India, Nepal and Pakistan -- have agreed to drastically bring down the annual average of particulate matter (PM) 2.5 in the countries' air to 35 microgrammes ...