Every story and comment from the Hacker News API, in a layout borrowed from 2001.
A comment on CO2 in the atmosphere just exceeded 415ppm for the first time in human history. Parent comment
CO2 is not a pollutant, and no one knows what will happen with increasing levels.
There are no comments on this comment yet.
CO2 is not a pollutant, and no one knows what will happen with increasing levels.