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@jgkoomey @urlyman @FantasticalEconomics @ajsadauskas @green
Let's make sure we're on the same page here. What we're interested in is for the emissions to start dropping. What #decoupling suggests is that this can be achieved with the economy still growing.
Achieving dropping emissions via relative decoupling could be done by the pace of efficiency improvements continuously outpacing economic growth.
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@jgkoomey @urlyman @FantasticalEconomics @ajsadauskas @green
Note that for any given efficiency improvement to have the desired effect of reducing emissions it not only must be invented, but it also must be distributed across the world, again at a pace greater than overall economic growth.
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@jgkoomey @urlyman @FantasticalEconomics @ajsadauskas @green
As an example, global meat production doubled in the last 30 years. If a new method of factory farming is invented that cuts methane emissions by 10%, for it to actually reduce emissions it would need to be adopted on every farm in the world in less than 3 years.
After which point we'd need another such invention to keep pace with the economic growth.
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@jgkoomey @urlyman @FantasticalEconomics @ajsadauskas @green
It's also worth noting that currently all nations follow a recipe for development through industrialization based on fossil fuels. There is not a single country on a "green" path. That means fossil inertia in the system is very high.
On top of that, all our "green" technologies currently require input of fossil fuels in their prodution processes. That includes #solar panels, #wind turbines, hydroelectric dams, EVs, etc.
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@jgkoomey @urlyman @FantasticalEconomics @ajsadauskas @green
Absolute decoupling would mean that all sectors of the economy that grow would be fully decarbonized, i.e. growth in the economy would not result in any additional emissions.
Given how our economy looks today (as explained above) and how little time our civilization has left (because of both effects of #ClimateChange and resource depletion) it seems quite implausible that absolute decoupling is a viable way forward.
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