Earth is now so far out of equilibrium (at around 1.1°C global mean surface temperature rise) that it is rapidly moving into a state hostile to existing human settlement of the planet. At this temperature, realistic projected costs are off the scale. 1.5°C impacts are unthinkable
https://twitter.com/NickCowern/status/1304690746000277504
Are we going to allow this ongoing disintegration of the physical basis of our civilisation, or use the tools we possess to stop all anthropogenic greenhouse gas emissions? That is clearly the only realistic economic course. It needs to done and dusted in the next 10-20 years.
It can be done. The first step,
building massive quantities of wind and solar energy generation and storage (sufficient to transform all technology from fossil fuelled to electric) should be done within 5 years along with intense planning for the following steps.
building massive quantities of wind and solar energy generation and storage (sufficient to transform all technology from fossil fuelled to electric) should be done within 5 years along with intense planning for the following steps.
This may appear an ambitious program in comparison to business as usual, but it may still not prevent peak global mean surface temperature of 1.5°C for a decade or two - long enough to damage much of our existing settlement of the planet.
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