Local governments recover phosphorus from sewage sludge
AI Summary
Local governments in Japan are finding ways to recover phosphorus from sewage sludge, addressing the challenge of supply disruptions stemming from international conflicts like Russia's invasion of Ukraine. This initiative is part of a broader strategy to enhance domestic fertilizer production.
Phosphorus is almost entirely imported. Supply disruptions triggered by Russia's invasion of Ukraine in 2022 prompted the central government to promote fertilizer production.