shoshanahjacobs
I reported a CO2 value of over 1900 ppm to my employer. They told me that I was taking the reading in the wrong place… (I was measuring it where the students were!) I have receipts #HigherEd
60minutes
Sensors in these state-of-the-art buildings report the levels of outdoor air pollution and carbon dioxide on each floor. The less carbon dioxide, the better the ventilation. https://cbsn.ws/3FDu52Q