interesting, approximately 360ppm in 1998 and 409.68ppm in 2017. yet, the earth's temperatures since 1998 has been dropping. 
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rises in co2 have typically followed warming cycles, not caused them.
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alarmists in the gorebull warming cult are using this hoax to cloak their attempts to wrest political authority to facilitate their efforts to extort money from successful nations and industries and line their own pockets.