Ultraviolet light can make indoor spaces safer during the pandemic – if it's used the right way
- Written by Karl Linden, Professor of Environmental Engineering and the Mortenson Professor in Sustainable Development, University of Colorado Boulder
Institutions like hospitals and transit systems have been using UV disinfection for years.Sergei Bobylev\TASS via Getty ImagesUltraviolet light has a long history as a disinfectant and the SARS-CoV-2 virus, which causes COVID-19, is readily rendered harmless by UV light. The question is how best to harness UV light to fight the spread of the virus...

