Atmospheric CO2 levels rise sharply despite Covid-19 lockdowns

Scientists find coronavirus crisis has had little impact on overall concentration trend

Carbon dioxide levels in the atmosphere have risen strongly to a new peak this year, despite the impact of the global effects of the coronavirus crisis.

The concentration of CO2 in the atmosphere reached 417.2 parts per million in May, 2.4ppm higher than the peak of 414.8ppm in 2019, according to readings from the Mauna Loa observatory in the US.

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