Ancestors

Toot

Written by Martin Pigeon on 2024-08-22 at 09:40

"it would take between 44 and 104 years for new trees to absorb as much CO2 as the amount generated by #wood #bioenergy that displaces #coal."

“Our conclusion is [replacing coal with wood to generate electricity] actually makes #climate change worse”.

https://www.nature.com/articles/d41586-024-02676-z

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Descendants

Written by Ttown🌐✌ on 2024-08-22 at 11:48

@Martin_Pigeon IMHO, the key here is to stop burning things to generate energy. Burning things is so pliocene.

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Written by Isaac Ji Kuo on 2024-08-22 at 13:02

@Martin_Pigeon

I don't understand why it has to be wood from trees. Bamboo famously grows really fast, so it would be carbon neutral really fast.

Trees? I can understand the appeal for the money grubbers, since they get to use wood that has been growing for decades without them lifting a finger.

But from a policy point of view, bamboo rather than trees should have been a no-brainer.

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Written by Martin Pigeon on 2024-08-22 at 22:28

@isaackuo I don't think we should keep CO2-emitting power production when we have decarbonised options. Electricity is the easier part ;)

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Written by dynamic on 2024-08-22 at 13:13

@Martin_Pigeon

Relevant quote from the Sterman article cited:

"Because combustion and processing efficiencies for wood are less than coal, the immediate impact of substituting wood for coal is an increase in atmospheric CO2 relative to coal. The payback time for this carbon debt ranges from 44–104 years after clearcut... . ...[R]eplanting hardwood forests with fast-growing pine plantations raises the CO2 impact of wood because the equilibrium carbon density of plantations is lower..."

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Written by dynamic on 2024-08-22 at 13:14

@Martin_Pigeon

The Sterman article:

"Does replacing coal with wood lower CO2 emissions? Dynamic lifecycle analysis of wood bioenergy"

https://iopscience.iop.org/article/10.1088/1748-9326/aaa512

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Written by mfriedenhagen on 2024-08-22 at 18:40

@Martin_Pigeon always think it is sad when my neighbor, who owns some forest boasts that they do not use gas anymore for heating their flat

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