Henry Darcy Lecture 2009 report available

The report of the symposium in Amsterdam, 5 November 2009, on the use of isotopes and tracers in hydrology, combined with the 2009 Henry Darcy Lecture, is now available online.

Clean Water for a Healthy World

22 March 2010, worldwide • World Water Day

WWDay_bluebutton120x90UN-Water is dedicating World Water Day 2010 to the theme of water quality, reflecting its importance alongside quantity of the resource in water management.  On World Water Day, we reaffirm that clean water is life, and our lives depend on how we protect the quality of our water.  Water is the basis of life on earth. 
Deltas in Times of Climate Change

29 September–1 October 2010, Rotterdam • Deltas in Times of Climate Change
Deltas have a lot to offer. They are close to the sea and inland waterways. Their soils are fertile. They are therefore the base of many large and fast growing cities. But as populations grow, deltas and their cities are becoming more vulnerable. Floods, land subsidence, traffic congestion, air pollution and salt intrusion loom up as common threats. Climate change aggravates these problems.

Transboundary flood risk management: experiences from the UNECE region

The study describes problems and progress made regarding transboundary flood management in 10 transboundary river basins in the UNECE region; tools for managing transboundary flood risk, for joint flood forecasting, flood warning and exchange of data, joint flood risk management planning and implementation; and useful legal and institutional arrangements for cooperation.

Guidance on Water and Adaptation to Climate Change

Countries need to adapt to climate change jointly without delay! This is the main message of the Guidance on Water and Adaptation to Climate Change, developed under the UNECE Convention on the Protection and Use of Transboundary Watercourses and International Lakes (Water Convention) and recently adopted by its 36 Parties at their fifth meeting (Geneva, 10–12 November 2009).

Michael van der Valk interviewed on water and climate change by news media

On the way to the 5th World Water Forum in Istanbul, Swedish and Turkish media interviewed Michael van der Valk during the World Water Week in Stockholm about water and adaptation to climate change, the role of the UN and the position of the Dutch.

Water footprint calculation standards

In the field of carbon footprints we have seen how detrimental the absence of shared definitions and calculation methods can be. One common language is crucial, otherwise it is difficult to share information about actual footprints and reduction targets.

Water Variability, Soil Nutrient Heterogeneity and Market Volatility
In his interesting Viewpoint article in Water Alternatives, Bruce Lankford suggests that an African Green Revolution cannot come about without irrigation. But he does not convincingly explain why irrigated areas expand only very slowly.
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