Two coordinated mechanisms to address the water crisis: (1) Water Infrastructure Emergency Fund: A $200B capitalized facility providing 30-year concessional financing for water infrastructure renewal in developing and middle-income countries, with positive financial terms that offset the subsidy through volume.

1% tax on bottled water and beverage sales (which consumes 280 billion liters annually) — making the mechanism directly linked to the problem it solves. Financing is conditional on implementing loss reduction targets (reduce non-revenue water from 40% to 15% within 10 years) and adopting performance-based tariff structures.

(2) Global Water Contamination Registry: A real-time network of 10,000 water quality monitoring stations in high-risk regions, reporting to a centralized database accessible to regulators, public health agencies, and the public. Uses low-cost IoT sensors ($200-500/station) that detect the 50 most concerning contaminants.

Flagged contaminant hotspots trigger immediate public health alerts and are escalated to regulatory bodies for emergency rule-making.