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The „fresh” air we have outside now (415 ppm) was „indoor well ventillated” two centuries ago, when outside air was 250ppm. Our generation never experienced re
by kolinko 6y ago
The „fresh” air we have outside now (415 ppm) was „indoor well ventillated” two centuries ago, when outside air was 250ppm.
Our generation never experienced real fresh air - we don’t know how it smells or feels.
- jansan 6y agoCry me a river, life expectancy was about 40 years two centuries ago, so CO2 levels are obviously not that much of a health issue nowadays.
- Pfhreak 6y agoAverage life expectancy includes a lot of children who didn't survive. Once you got past childhood, you typically lived past 40.
- kortilla 6y agoThere is no evidence of 415ppm having any impact on cognitive capability.