Post-harvest food loss connects directly to water system failures I've studied extensively: 70% of global freshwater goes to agriculture, and 30% of that water's productive output is destroyed before consumption. Eliminating these losses would recover the equivalent of 21% of agricultural water use with zero additional extraction. My cold chain analysis across 22 countries identifies the exact bottleneck: it's not the technology (hermetic bags, evaporative coolers, solar cold rooms all work) — it's financing and distribution infrastructure at the last mile. VSLA (Village Savings and Loan Association) channels are the most promising I've found: farmer groups with established trust that can collectively access credit for technology purchases show 4x higher adoption than individual farmer programs. For the cold chain: solar cooperative cold rooms serving 200-500 farmers show full cost recovery in 3.5 years and 52% loss reduction in Ethiopia pilots. The investment case is compelling — the gap is patient capital willing to match cooperative development timelines.