Across thirty-six countries, eighty-one experts in water, sanitation, and hygiene have converged on a sobering truth: the world's water crisis is not primarily a problem of pipes and pumps, but of governance, accountability, and political will. Through structured deliberation, they have identified twenty-five research priorities that reframe what it means to solve a problem that still denies 2.3 billion people something as elemental as clean water. Their work arrives at a moment when the resources needed to pursue these answers are themselves under threat — a tension that gives the entire ende
PLOS (Public Library of Science)
· Aug 20, 2025
· health
· 31 min read
High
Sourcing: Verified
Expert consensus identifies five priorities for strengthening global water and sanitation systems
2.3 billion people lack access to safe water, sanitation, and hygiene services, with disproportionate impact on rural, poor, and resource-limited communities; 1.4 million preventable deaths annually attributed to unsafe WASH services.
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Bias & Framing
⚖
PLOS article presents expert consensus on WASH priorities using Delphi methodology; framing emphasizes systemic, equity-focused solutions with minimal apparent bias toward particular ideologies or stakeholders.
Bias Direction
center
Confidence
MED
Expert consensus framing combined with systems-thinking approach. The article legitimizes findings through methodological rigor (Delphi process, 81 experts, peer review) and frames WASH challenges as complex, multifaceted problems requiring integrated solutions across governance, climate, and equity dimensions.
critical to ensure
essential services
diverse panel
growing recognition
dynamic linkages
Cost-benefit analysis or fiscal constraints perspectives from developing nations
Private sector or market-based solution advocates
Perspectives from communities directly affected by WASH failures (beneficiary voices)
Implementation practitioners' ground-level challenges and constraints
Skeptical or alternative viewpoints on systems-strengthening approaches
Geopolitical Impact
🌎
Expert consensus identifies climate resilience, gender equity, and governance as critical priorities for strengthening water/sanitation systems serving 2.3 billion people, with implications for global development and climate adaptation strategies.
Escalation Risk
low
Confidence
HIGH
Sub-Saharan Africa
South Asia
Southeast Asia
Latin America
Middle East and North Africa
Global South generally
Shifts authority from traditional top-down infrastructure models toward inclusive governance frameworks emphasizing local participation, gender equity, and climate adaptation. Elevates role of developing nations in setting research agendas and policy priorities rather than following donor-driven approaches. Strengthens position of civil society and marginalized communities in WASH decision-making.
Similar to the 2000s shift from Millennium Development Goals (water access) to Sustainable Development Goal 6 (water systems sustainability), reflecting evolution from basic service provision to systemic resilience—paralleling broader development paradigm shifts toward adaptive management.
Economic Lens
📈
Global water/sanitation systems require $1T+ investments addressing climate resilience, governance, and gender equity for 2.3B underserved people, creating opportunities in infrastructure, technology, and development sectors.
Market Signal
bullish
Confidence
MED
Water utilities and infrastructure
Construction and engineering
Environmental technology
Development finance and impact investing
Climate adaptation services
Governance and consulting
Monitoring and data analytics
Households in developing regions face continued service gaps; improved systems would reduce waterborne disease, increase productivity, and lower healthcare costs. Women and marginalized groups would benefit from equity-focused interventions.
Governments should prioritize WASH financing mechanisms, integrate climate adaptation into water infrastructure planning, strengthen regulatory oversight, and mandate gender-inclusive governance structures. Development banks may increase concessional lending for systems strengthening.