More than half of humanity now lives in cities. Large cities alone represent US $21.8 trillion in economic activity, or 48 percent of global GDP. All cities, regardless of size, need a clean, consistent water supply to thrive, so it is little wonder that capital expenditures on water supply are large—US $90 billion per year—and growing. Unfortunately, drinking water sources are increasingly in...

Increasing urbanisation and economic growth provide significant benefits, but also pose a range of challenges especially for water quantity and quality. Water, energy and food security rely on water infrastructure. Recognition of the closely bound interaction between water, energy and food (or the management of land for food, fodder, and fuel production) – the nexus – has led to new demands fo...

The Statistics and Economics Specialist Group provides a forum to discuss the financing of water utilities, the water tariff structures, performance indicators, efficiency and economics of water organisations and themes like total cost recovery. A part of this service consists of water surveys and providing statistics on water industry, such as tables and figures on abstraction, consumption, tari...

The Statistics and Economics Specialist Group provides a forum to discuss the financing of water utilities, the water tariff structures, performance indicators, efficiency and economics of water organisations and themes like total cost recovery. A part of this service consists of water surveys and providing statistics on water industry, such as tables and figures on abstraction, consumption, tarif...

The Reliable supply of good safe drinking water is fundamental to a healthy community and to its economic development. Establishment of an effective management framework to achieve this goal is therefore of critical importance. The Bonn Charter for Safe Drinking Water provides a high-level framework describing the operational and institutional arrangements that are basic requirements for managing ...

For many rural farmers, fishers, and community groups, food, water and energy resources are not considered as separate pillars but are part of the system they live and work in and need to be managed accordingly. Therefore, at the local level, the nexus is a practical everyday reality. However, the conceptual separation and consequent management of these resources is what has happened in the world ...

Regional Challenges and Opportunities for Building Drought and Climate Resilience for Farmers, Cities, and Villages South Asia—the world’s fastest growing region—is the largest abstractor of groundwater; it pumps nearly a third of the groundwater used globally and half of global groundwater for irrigation. Groundwater drove the Green Revolution, which lifted hundreds of millions of people ou...