this post was submitted on 08 Dec 2023
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Driverless cars were the future but now the truth is out: they’re on the road to nowhere::The dream of these vehicles ruling the roads remains just that. Focusing on public transport would be much smarter, says transport writer Christian Wolmar

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[–] [email protected] 10 points 11 months ago (1 children)
[–] [email protected] 9 points 11 months ago* (last edited 11 months ago) (1 children)

The primary source of green house gas isn't deforestation, it's fossil fuels pulled up out of the ground.

Yes, you can think of trees as solar-powered CO2 crystalization, so more trees, more CO2 removed. The problem though is that this is a temporary solution. When trees die and rot or burn (forest fire), they ultimately release most of that CO2 back into the atmosphere. Even worse, that carbon may be released as methane instead, if it decomposes anaerobicly.

There's only so much biomass the earth can sustain to naturally store carbon. The page you link is correct in that we definitely shouldn't make the problem even worse by reversing what carbon the biomass does store.

But it is in no way the solution to putting carbon we mined out of the earth back into the earth. Well trees as a carbon sequestration did already happen: it just took millions of years for buried biomass to be turned into oil and coal.