Anthropogenic CO₂ increase is unprecedented - Even in earlier warm periods there were pulse-like releases of CO₂ to the atmosphere, however, today's anthropogenic CO₂ rise is more than six times larger and almost ten times faster than previous jumps in the CO₂ concentration.

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source https://www.reddit.com/r/worldnews/comments/iec7ab/anthropogenic_co₂_increase_is_unprecedented_even/