air quality

For years, scientists have known that pollution from burning fossil fuels is bad for us. But just how bad? And can we place a dollar amount on the hidden…

Sometimes in the field of citizen science, scientific instruments can start to look a little like that science fair project you did back in the 6th…

In polluted Pittsburgh, a new device from a local university helps residents assess indoor air. It's not the only monitor on the market — but is the only one available to borrow from a public library.