The claim: CO2 from humans represents 3.2% of total CO2 in the atmosphere and 0.12% of all greenhouse gases in the atmosphere A June 14 Facebook post (direct link, archive link) uses pie charts to ...

Carbon dioxide is key to how long airborne viruses hang around in the air and, therefore, their likelihood of spreading. Opening a window may be a more scientific way to avoid the spread of ...

Carbon dioxide monitors have been around for decades. But in 2020, they became, almost overnight, a hot commodity. All of a sudden, people wanted them to help assess the safety of indoor spaces — to ...