The current pace of urban growth is unprecedented in human history. The 20th century witnessed a 400 percent increase in urban population in absolute terms; by the first decade of this century over 50 percent of the world’s huma...
On an almost daily basis the media show us the challenges we face in terms of water. Floods and droughts, the most obvious signs of disaster, dominate the public discourse. Extreme climate events are only symptoms of a much larger...
There is an intensifying realisation that we need to act on curbing greenhouse gas emissions to avoid a dangerous global temperature rise. While national governments are working to reach a global carbon accord in Paris later this ...
This year’s World Water Day theme shines a light on sustainability in water, sanitation and hygiene (WASH). In the past 35 years, two International Decades on Water have been proclaimed (1981-1990 & 2005-2015), yet half the ...
One of the IWA’s strengths is in our diverse membership; from different countries, professional roles, educational backgrounds, age and gender. This mix ensures we have a balanced and representative network of water professional...
A major challenge facing many municipalities is how to deal with high levels of water loss, or Non Revenue Water (NRW). Although not all NRW is leakage, inefficient management of distribution system pressures is known to cause sub...
Used water is one of the most under-exploited resources we have. Water from industrial or domestic use contains energy, water, organics, phosphates, nitrogen, cellulose, rare earths, and other resources. These have wide applicatio...
Climate change represents one of the many challenges we face today, its disruptive influence on water management is perceived to be one of the many critical risks facing our world: a risk of high likelihood and high impact on huma...
Water systems planning for cities is typically done by engineers and environmental scientists. They are practical people who find solutions to technical problems: providing safe water or adequate sanitation. This approach has serv...
Flood and drought events are becoming more frequent, severe and widespread resulting in destabilization of ecosystems, human livelihoods and supporting infrastructure, as well as substantial economic losses. In Thailand the lesson...