Every home has a CO sensor, at least where I live. It's required. What gives you the feeling that people are ignoring it? People are very aware of it. CO is so

Every home has a CO sensor, at least where I live. It's required. What gives you the feeling that people are ignoring it? People are very aware of it. CO is something everyone is aware of - growing awareness that less lethal things are also important is what's driving CO2 checking.