GENEVA (AN) – Atmospheric levels of carbon dioxide, methane and nitrous oxide reached new record highs last year that included the largest yearly jump in methane concentrations ever measured, the United Nations weather agency reported.
The World Meteorological Organization's latest Greenhouse Gas Bulletin released on Wednesday showed that among the three main atmospheric heat-trapping gases, the jump in methane concentrations from 2020 to 2021 was the largest since systematic measurements began nearly 40 years ago.
