415.26 parts per million: CO2 levels hit historic high
Scientists in the United States have detected the highest levels of planet-warming carbon dioxide in Earth’s atmosphere since records began, sounding new alarm over the relentless rise of man-made greenhouse gas emissions..26
The Mauna Loa Observatory in Hawaii, which has tracked atmospheric CO2 levels since the late 1950s, on Saturday morning detected 415.26 parts per million (ppm).
It was also the first time on record that the observatory measured a daily baseline above 415 ppm.
The last time Earth’s atmosphere contained this much CO2 was more than three million years ago, when global sea levels were several metres higher and parts of Antarctica were blanketed in forest.
“It shows that we are not on track with protecting the climate at all. The number keeps rising and it’s getting higher year after year,” Wolfgang Lucht, from the Potsdam Institute for Climate Impact Research (PIK), told AFP.
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