4:27pm PST - March 3rd, 2022

Smog and CO2 are not the same thing. If CO2 levels on earth drop below 155 ppm, life on earth would cease to exist. Humankind will be dead. Currently, atmospheric CO2 stands at about 400 ppm which is about one-third the level for optimum plant growth. https://t.co/EL3zLJiS8l

0 retweets   0 likes  - Marlene McLean (@MarleneMcLean14)