WEST LAFAYETTE, Ind. – Walk in a room, the light goes on. Most people are familiar with the motion sensors that detect activity and then turn on the lights. Purdue University researchers are turning ...

CLEVELAND, Ohio -- Carbon dioxide sensors can’t tell whether COVID-19 is present indoors, but they can show if a space needs fresh air and more circulation. The coronavirus is primarily transmitted ...

A network of air monitors installed in Northern California has provided scientists with some of the first measurable evidence quantifying how much electric vehicles are shrinking the carbon footprint ...