There is More Carbon Dioxide in the Atmosphere Than Ever Before

There has never been a point in the Earth's history where carbon dioxide levels have been this high. The effects from this are truely devastating to Earth.

RealClimate: The global CO2 rise: the facts, Exxon and the

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Doesn't carbon dioxide in the atmosphere come from natural sources

Carbon dioxide in Earth's atmosphere - Wikipedia

A Graphical History of Atmospheric CO2 Levels Over Time

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Sustainability, Free Full-Text

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Doesn't carbon dioxide in the atmosphere come from natural sources

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Carbon dioxide in the atmosphere