The CBC News “What on Earth?” newsletter discusses “What is the Keeling Curve and what does it tell us about the health of the planet?”.
“On June 3, the Scripps Institution of Oceanography and the National Oceanic and Atmospheric Administration (NOAA), which tracks global carbon emissions, made another dire announcement.
The American agency said that atmospheric carbon dioxide peaked in May at an average of more than 420 parts per million, ‘pushing the atmosphere further into territory not seen for millions of years.’”
Read the full article at What is the Keeling Curve and what does it tell us about the health of the planet? (cbc.ca)