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Carlos Cosín

From Source to Sea: Governing the Unbroken Continuum of Water

From melting glaciers to deep oceans, water flows through a single system—yet we govern it in fragments. This article explores the growing momentum behind “source-to-sea” governance, highlighting its urgency, the lessons from Europe’s WFD and MSFD, and why integration is no longer optional. Desalination, microplastics, and nature-based solutions all show: the ocean’s future depends on freshwater decisions.

Water Crises: A Global Reality Check – Beyond Anecdotal Evidence

In 2025, water scarcity has become a global issue, affecting countries across various climates and economic levels. From urban infrastructure failure in Hyderabad, India, to excessive groundwater depletion in Tehran, Iran; from Zambia’s prolonged drought impacting food and energy security, to the Rio Grande’s decline threatening agriculture in the U.S.; and even in water-rich regions like the United Kingdom facing unprecedented dryness, the water crisis is widespread and systemic.

From Risk to Resilience: Rethinking Water Infrastructure in the Age of Climate Volatility

Amid escalating climate volatility, traditional water infrastructure design is increasingly outdated. This article explores how modular systems, nature-based solutions, and smart technologies can drive a shift toward hybrid, resilient, and adaptive water infrastructure. It also highlights the critical role of innovative governance, sustainable financing, and public-private partnerships in making this transition a reality.

Access to Finance: The Missing Ingredient for Scalable Water Solutions

As climate, biodiversity, and urbanization crises deepen, water is emerging as the cornerstone of resilience — yet it remains chronically underfunded. Despite its pivotal role in achieving the Sustainable Development Goals, water attracts only 3% of total climate finance, held back by fragmented projects, misaligned risk-reward models, and institutional bottlenecks.

Hidden Currents: How Tariff Wars May Threaten Global Water Security

U.S. tariffs may unintentionally threaten global water security by disrupting trade flows that balance water distribution through the concept of “virtual water.” Shifts in production to water-scarce regions and reduced competitiveness of exporters could intensify water stress. To mitigate these risks, trade policies must consider water impacts and support sustainable practices.

Water and the Urban Century: Navigating Our Shared Future

As global urbanisation accelerates, water security emerges as one of the defining challenges—and opportunities—of our time. By 2050, nearly 70% of humanity will live in cities, with the most rapid growth occurring in secondary urban centres already facing acute water stress. This convergence of urban expansion and climate volatility puts immense pressure on outdated and overstretched water systems.

Water and Climate Change Adaptation: A Two-Way Imperative

Water and climate change are deeply intertwined, shaping global challenges that demand urgent action. The Adaptation Gap Report 2024 highlights the crucial role of water governance in building climate resilience. This article explores why integrated water management must be at the heart of adaptation efforts and how countries like Chile, Indonesia, and Japan are tackling these challenges.