Carbon dioxide levels highest in human history

The amount of heat-trapping carbon dioxide in the atmosphere has shot past a key milestone -- more than 50 per cent higher than pre-industrial times -- and is at levels not seen since millions of years ago when Earth was a hothouse ocean-inundated planet, federal scientists announced Friday.

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Carbon Dioxide Levels In The Atmosphere Hit The Highest Level In Modern Human History

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Racing at Top Speed Towards Global Catastrophe': NOAA Says CO2 Levels Highest in Human History – Ministry of Public Witness

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CO2 levels highest in human history – DW – 05/14/2019