A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the concentration of carbon dioxide is around 400 ppm. This stands for “parts per ...

A team of engineers that includes researchers from Sandia National Laboratories is working on a device to help ensure captured carbon dioxide stays deep underground. The wireless device uses sensors ...

A new sensor for detecting carbon dioxide can be manufactured on a simple piece of paper, according to a new study by University of Alberta physicists. “You can basically think of it as a litmus paper ...