I mean where do you draw the line between this sort of recycling and just a conservation of matter / energy argument in which just about everything is “recycled” instead of produced?
In terms of atmospheric carbon, it’s either newly brought up from underground petroleum, or it’s recycled from what’s already up here. If you care for volcanoes, you can add them as a third source.
I mean where do you draw the line between this sort of recycling and just a conservation of matter / energy argument in which just about everything is “recycled” instead of produced?
In terms of atmospheric carbon, it’s either newly brought up from underground petroleum, or it’s recycled from what’s already up here. If you care for volcanoes, you can add them as a third source.