TABULA/samples/cost to capture atmospheric CO2

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cost to capture atmospheric CO2
    ┌   {1}       28.96 g/mol        molecular weight of air=
    │ ┌ {2}          80 ppm          CO2 increase since 1960
    │ ├ {3}      44.009 g/mol        molecular weight of CO2=
    ├ └>{4}       0.004 g/mol        wt contribution of CO2
    └>┌ {5}       0.012 %            % by wt of CO2
      ├ {6}      5.2E18 kg           wt of atmosphere
┌ ┌ ┌ └>{7}    6.322E11 t            wt of CO2 in atmosphere
│ │ └>  {8}     185.933 Gelephant    ={7}
│ └>    {9}     464.833 wt.humanity  ={7}
├       {10}        100 USD/t        cost to capture CO2
└>    ┌ {11}     63.217 TUSD         cost to restore 1960 CO2
      ├ {12}        1.1 TUSD         (est)USA deficit/FY2020
      └>{13}      57.47 /            How many times bigger?


Carbon capture appears to be a promising way to reduce the carbon dioxide (CO2) concentration in the atmosphere without impacting oil company assets or profits.

The annual average CO2 concentration has been rising steadily since 1960, when it first began to be measured regularly at Mauna Loa, HI, when it stood at <320 ppm (parts-per-million).

This year (2019) it stands at >400 ppm, an increase of over 80 ppm.

Atmospheric carbon is deemed by many scientists to be having a damaging effect on the world's climate.

Recently a British Columbia-based firm built a prototype carbon dioxide extractor which they announced could capture CO2 at a cost of $100 per metric ton (100 USD/t).

Although the cost can be expected to come down in years to come, it is instructive to estimate the total cost (at today's prices) of extracting enough CO2 to restore atmospheric concentration to 1960s levels, i.e. to lower the concentration by 80 ppm.

This t-table estimates the weight of the CO2 increase since 1960 at 632.2 billion metric tons, and the cost of capturing it to be around 57 times next year's projected USA budget deficit.

The t-table also shows 632.2 billion metric tons (item {7} – 6.322E11 t) to be roughly 186 billion African elephants, or 465 times the total weight of living human bodies.

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