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  Carbon dioxide levels in the atmosphere just hit a ‘depressing’ new record

These data come from the National Oceanic and Atmospheric
Administration’s Mauna Loa Observatory, which may soon be shut down
because of proposed government budget cuts. The amount of carbon dioxide
detected in the atmosphere hit a record high in April. CO2 levels averaged
about 431 parts per million (ppm) over that month, according to data
collected at the National Oceanic and Atmospheric Administration’s Mauna
Loa Observatory in Hawaii.

 Scientific American 5th May 2026, https://www.scientificamerican.com/article/carbon-dioxide-levels-in-the-atmosphere-just-hit-a-depressing-record-high/

May 10, 2026 - Posted by Christina Macpherson | climate change