Carbon dioxide levels at highest, mandatory respiratory masks for all only 20 years away

Carbon dioxide levels in air have reached the highest point. If the trend continues, everyone may have to wear respiratory masks to breathe in just 20 years from now. This also can lead to increase in the temparature and may lead to increase in the rate of heating up of earth.

Main Highlights

1. Highest amount of carbon dioxide in atmosphere for May was reported.
2. Amount of carbon dioxide in the air was 411.25 parts per million
3. Scientists suggest this could be highest concentration of CO2 in human history.