THE SWEDISH city of Malmo has carefully landscaped an area of about 10,000 ha, which functions as a natural stormwater treatment plant. In Malmo, on the southern Swedish coast, several projects

A high school in the Swedish town of Stensund is an educational centre that can teach the world a lesson on how to manage wastewater.

TRADITIONAL communities developed ingenious ways of making use of wastewater. And, experts involved in the modern science of ecological engineering can learn a great deal from them. There is a