As a result of population growth, economic development and climate change, feeding the world and providing water security will require important changes in the technologies, institutions, policies and incentives that drive present‐day water management, as captured in Goal 6.4 of the Millennium Development Goals. Irrigation is the largest and most inefficient water user, and there is an expectation that even small improvements...

Distribution and availability of global resources is highly variable over time and heterogeneous in space. With the natural or conventional supply of these resources no longer meeting a growing demand, the need to promote resource efficiency is now being paralleled with innovative approaches to conserve resources within their use cycle. These ‘innovative approaches’ herewith referred to as non‐conventional was the subject of a...