For 800,000 years the CO2 levels have cycled naturally between 160ppm and 300ppm, and now mysteriously they have spiked to 412ppm. At the same time as the CO2 spike temperatures have risen faster than at any other time in the past 65 million years.
For 800,000 years the CO2 levels have cycled naturally between 160ppm and 300ppm, and now mysteriously they have spiked to 412ppm. At the same time as the CO2 spike temperatures have risen faster than at any other time in the past 65 million years.
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