Kunio Hirotani first introduced a procedure using a reverse semi-logarithmic graph to display the historical CO2 concentration with the extremely large difference of values between max. and min. of axis for the year 'Before Present ("BP")' in his presentation at a conference in Oman (ref: Hirotani, K.: “Advantages of TOYO MRF-Z® Reactor for Methanol Synthesis from SMR Syngas with CO2 Addition”, The proceeding of 5th Methanol Market & Tech Conference, Muscat, 23-24 February (2010) ). With such a graph one enables at a glance to know the change of characteristics from a long-distant past till a near past. The corresponding figure is now updated as of 31st May, 2017.
Data Sources: BP 417160 - BP 2342, BP 1007 - BP 40, BP 39 - BP31, BP 30 - May 2016
The above graph of histrical data is created based on combination of the four (4) data sources collected from different locations on the earth accounting different BPs. Click and see the above references for details of each source.
It is evident from the above graph that, about BP 100 (AD 1917) and beyond, the chart has reached the max. value ever-recorded and further continues to be ever-increasing. Referring to the days of industrial revolution, BP 267-187 (AD 1750- 1830), the first 100 years after the industrial revolution and additional 87 years must have been changing very slowly. However, beyond BP 100, the increasing rate seems to be exponential. This phenomenum is understood more clearly if the following two (2) types, one for the near past less than BP300 and the other forcused for the long-distant past, of chart with normal axis are displayed.
The above graph also teaches that the frequebcy of about 100,000 years interval has repeated in the part of the long-distant past with the range truly between 180-300 ppm while the data beyond BP100 (although it is at almost the right side edge of the graph) is boiling rapidly and abnormally).
Conclusively we can confirm that we are definitely now in the planet where CO2 concentration in the atmosphere is increasing much differently and no more than once every few hundred thousand years. How can we remove CO2 prior to venting to the atmosphere from the source of CO2 generation and how can we reuse it harmlessly ? Let's think about it seriously !
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