There is increasing interest in the concept of the circular economy and “closing the loop” in our use of various vital resources – including water, energy and mineral resources. This is driven not only by an interest in reducing the social and environmental damage linked to resource extraction and waste disposal, but also in optimising the use of resources in preparation for the end of the era of cheap oil and raw materials.

Read more in the SEI REVAMP tool calculating potential value of urban wastewater.

Photo credit: weesam2010 via Foter.com / CC BY-NC-SA