Computer simulation provides 4,000 scenarios for a climate turnaround

Using an extensive computer simulation of the climate, the global economy and the global energy system, researchers at Paul Scherrer Institute (PSI) have been analyzing different ways of mitigating climate change, together with colleagues from the US, China, Ireland, Finland and Sweden.

CO2 emissions from human activities account for about 42 billion tons per year. The Intergovernmental Panel on Climate Change (IPCC) has calculated that only another 300 to 600 billion tons can be added, from 2020 onward, or else the goal of limiting global warming to 1.5° Celsius will be virtually unattainable.

"It could be a close shave, because 70% of our scenarios predict that the world will exceed the 1.5°C mark in the next five years."

[Note: We have anomalies which have exceeded the mark this year but the averages haven't.]

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@EverythingScience