As pressures on freshwater resources grow around the world, efforts are underway to identify new ways of meeting water needs. Expanding the uses of alternative sources of water previously considered unusable, such as greywater, is one key strategy. Using case studies from across the globe, this report provides a comprehensive analysis of the challenges and pathways to widespread greywater reuse.
In Tanzania, between Moshi and Arusha, you come across a small town called Usa River, which is situated on the banks of its namesake: the Usa River, a tributary of the Kikuletwa and then eventually Pangani River.
There is broad recognition that adapting to climate change, coupled with the need to address aging infrastructure, population growth, and degraded ecosystems, will require rethinking programs and policies and investing in our natural and built water systems.
Pressures on water resources are intensifying due to aging infrastructure, population growth, and climate change, among other factors. With vast expanses of water-intensive turf grass and large impervious surfaces, most urbanized communities are ill-adapted to these pressures.
This is the latest in our What Happens Next series. The increasing scarcity of drinking water is beginning to capture the world's attention -- but surprisingly, an innovative solution might just be found in one of the Earth's driest places.