In recent years, low-cost air sensors like those deployed in Ohio have become significantly cheaper and easier to use, while more residents have started to realize that federal and state ...

Besides getting geared up to protect themselves from the smoke, residents also flocked online to the Environmental Protection Agency’s color-coded air quality map to see just how the bad air really ...

Researchers have developed a method that allows the water level of rivers to be monitored around the clock. The cost-effective sensor is for instance suitable for area-wide flood warning systems.