Can CO2 monitors help us get back to normal? Yahoo News Explains

The number of new COVID-19 cases continues to fall in the U.S., and health experts are promoting the use of CO2 monitors as a way to keep that trend going in the right direction as the country begins lifting social distancing restrictions. How would CO2 monitors help restaurants, schools and businesses to reopen? Alex Huffman, aerosol scientist and associate professor of chemistry and biochemistry at the University of Denver, explains.