The Pollution Control Agency (MPCA) says it's working to improve air quality monitoring following a state review stemming from a dispute over reported violations at a Minneapolis metal foundry.

Why buy an air quality monitor when you can just make your own? Even if it costs about the same, having the ability to modify ...

Using genes borrowed from bacteria, researchers have demonstrated fish and flies can be engineered to break down methylmercury and remove it from their bodies as a less harmful gas, offering new ways ...