(ORDO NEWS) — According to the latest forecasts by an international team of researchers, global warming 2 ° C above pre-industrial values will lead to the release of about 230 billion tons of carbon from the soil, which will only exacerbate the Earth’s climate.
We are used to hearing that CO2 emissions affect the increase in the average temperature on Earth, but, as it turned out, this is a vicious circle, falling into which it will be very difficult for humanity to get out.
The earth’s soil contains two to three times more carbon than the atmosphere. High temperatures accelerate the decomposition of carbon, which is causing severe climate change associated with increasing concentrations of greenhouse gases, which in turn raise global temperatures. This effect is called “positive feedback”. Climate change has side effects that drive further change, worsening the situation.
A study by the University of Exeter indicates that as temperatures rise by 2 ° C, the carbon cycle in the soil will accelerate, resulting in approximately 840 billion tonnes of carbon dioxide being released into the atmosphere, four times the total emissions China and more than double the US emissions in the last 100 years.
“Our study excludes the most extreme predictions, but nevertheless assumes significant soil carbon losses due to climate change at 2 ° C warming, and this does not even include the loss of deeper permafrost carbon,” the press said. release of the university.
While climatologists say this is not an “extreme” forecast, it will make it much harder to combat global warming. Humanity will have to make even more efforts and resources in order to slow down the rise in average annual temperatures.
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