I don't know why were speaking as though we disagree about something. I agree with everything you said. I have my own CO2 meter inside, which I watch with some

I don't know why were speaking as though we disagree about something. I agree with everything you said. I have my own CO2 meter inside, which I watch with some curiosity. I've observed that CO2 levels vary far more where my sensor is located, inside in an urban environment, and I was surprised to see that the CO2 levels are so steady elsewhere. [1] measured CO2 levels in an outdoor urban environments and found that sometimes the CO2 levels were about 20 times what they were at other times, 16 units vs 0.8 units. I say this as a curious observation, not as an attempt to argue against anything you said. [1] http://www.co2science.org/subject/u/summaries/urbanco2dome.php http://www.co2science.org/subject/u/summaries/urbanco2dome.p...