Mauna Loa record

What is Mauna Loa record?

Mauna Loa record meaning in Enviromental Science terminology / glossary / dictionary is:
the record of measurement of atmospheric CO2 concentrations taken at Mauna Loa Observatory, Mauna Loa, Hawaii, since March 1958. This record shows the continuing increase in average annual atmospheric CO2 concentrations.

 

reference: https://en.wikipedia.org/wiki/Glossary_of_environmental_science