NOAA– Atmospheric CO2 Increased by 2.77 Parts Per Million During 2016

robertscribbler

According to NOAA, carbon dioxide — a key heat trapping gas — increased its atmospheric concentration by 2.77 parts per million during 2016. This was the third fastest rate of increase in the NOAA record following 2015 at a 3.03 ppm annual increase and 1998 at a 2.93 annual increase.

Earlier trends had indicated that 2016 might be on track to beat 2015 as a new record year (and a month by month comparison for the first 11 months of 2016 pointed toward a record rate of rise). These concerns, thankfully, did not materialize as atmospheric rates of accumulation slowed down during December of 2016 — which helped to push the overall year to year comparison lower (NOAA’s year-on-year rate of growth is based on a December to January comparison). Nonetheless, the high rate of atmospheric increase for 2016 remains a matter of concern.

co2-annual-rate-of-increase

(2015…

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