CO2 levels in April averaged higher than 410 ppm 'for the first time in recorded history'

Just over a year ago, atmospheric carbon dioxide (CO2) levels hit 410 parts per million (ppm) for the first time in millions of years. And we just hit another worrying threshold this April: levels averaged higher than 410 ppm throughout the whole month for the first time. Geochemist Ralph Keeling said, "We keep burning fossil fuels. Carbon dioxide keeps building up in the air. It's essentially as simple as that." "This marks the first time in the history of the Mauna Loa record that a monthly...

from Inhabitat - Green Design, Innovation, Architecture, Green Building https://inhabitat.com/co2-levels-in-april-averaged-higher-than-410-ppm-for-the-first-time-in-recorded-history
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