Over the last decade, humanity's emissions of carbon dioxide (CO₂) have stabilized after a period ... The Global Carbon Project estimates human activities released a record high of 10.2 gigatons of ...

Hypercapnia, also called hypercarbia, arises from having too much carbon dioxide in the blood. It typically happens with hypoxia, which is when there is not enough oxygen in the body. This article ...

Carbon dioxide may be a naturally occurring substance on Earth, but too much of its presence has contributed to global ...

The researchers measured carbon dioxide, or CO2, levels at the Mauna Loa Atmospheric Baseline Observatory. They found that atmospheric levels of the gas hit a seasonal peak of just under 427 parts ...