Current CO2 level in the Earth's atmosphere

1850: 280 ppmv was the pre-industrial level, 1988: 350 ppmv is dangerous, 2020?: 450 ppmv will be very nasty
Morris column calculator - BETA See the Morris column calculator

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Visualise a carbon footprint

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The calculator above shows you how much of the atmosphere reaches a concentration of CO2 (which you can select) as a result of various emissions you select. This tool is value-free; you don’t need to believe that high CO2 levels are a problem at all, this calculator just makes a visualisation of increased concentration.

Of course, most governments and atmospheric scientists warn that if we increase the level of CO2 beyond about 450 parts per million (from the current 387 ppm level), there is a good chance we will cause severe ecosystem and societal breakdowns.

There are some examples in the calculator itself, and some below… stay tuned for more.

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