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If it’s capture from a landfill, it’d likely be released as methane directly into the atmosphere.
If it’s made from things like chaff, it often gets simply burnt and released immediately back as CO2 into the atmosphere. No difference but significant usable energy.
It’s carbon that’s already part of the carbon cycle. Like burning wood or consuming food.
The carbon to worry about is the stuff we’re extracting from underground.
And where are the bioreactors located? What would happen to that carbon if it weren’t collected by the reactors?
I agree its better than mined gas, it falls under the 3Rs, but it’s still taking carbon from the ground and releasing it into the atmosphere.
In the grand scheme of things the deus ex machina of fusion is the only long term solution.
If it’s capture from a landfill, it’d likely be released as methane directly into the atmosphere.
If it’s made from things like chaff, it often gets simply burnt and released immediately back as CO2 into the atmosphere. No difference but significant usable energy.
I was absolutely arguing the wrong side of that, sorry. I didn’t realize landfill emissions don’t stay in the ground.
https://www.epa.gov/lmop/basic-information-about-landfill-gas