Composting is to atmospheric nitrogen fixing (this type of process) as recycling is to mining. Before people could pull nitrogen out of the atmosphere, wars we

Composting is to atmospheric nitrogen fixing (this type of process) as recycling is to mining. Before people could pull nitrogen out of the atmosphere, wars were fought over guano deposits, etc. At this point, the majority of nitrogen in human biomass comes from the Haber-Bosch process. (I’m not arguing against composting, to be clear!)