Assertion: carbon dioxide | /r/CapableOf | get a co2 monitor
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text: CO2 is a GHG that contributes to climate change, which poses serious health risks High concentrations of CO2 cause headaches, drowsiness, and problems focusing The largest sources of indoor CO2 are exhalation, gas stoves, smoking, and fireplaces You should open a window, check your HVAC system, or open the door to vent CO2 Holding shorter meetings, banning smoking, and getting a CO2 monitor will help protect you from CO2