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 Are Highest in Human History — The New York Times #ActOnClimate #KeepItInTheGround – Coyote Gulch

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Earth's carbon dioxide levels exceed highest point in human history

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Carbon Dioxide Levels Highest in Human History

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