Carbon: a vital element. Without it there is no life.
Eighteen percent of the human body is comprised of carbon.
So, why is there controversy over carbon emissions? What is wrong with having more and more carbon in the atmosphere?
Our atmosphere has changed significantly over the years. Eons ago it was made mainly of CO2. But, humans – or even hominids! - were not around to breathe it then! About 2.4 billion years ago, the atmosphere was transformed when algae (cyanobacteria to be precise) produced oxygen through photosynthesis, creating a hospitable environment for life as we know it to flourish.
So how about talking of CO2 levels in the atmosphere which was actually being breathed in by our ancestors?
That would give a meaningful indication. Don’t you think?
The graph below is produced the National Oceanic and Atmospheric Administration (NOAA), a United States science agency within the Department of Commerce, it r…