2 Five sustainable solutions exists for cities running out of water: conserving the resource, fixing leaking pipes, reclaiming water, desalination and biogas generation.
Water
2 
1 Last year I was blogging about the Nebia showerhead which was proposing to save 70 percent water thanks to liquid atomization. Now with the same technology comes the Altered:Nozzle which saves a massive 98 percent of water that comes out of the faucet while not cutting on fonctionality.
Altered:Nozzle – Same tap. 98% less water
For our Economics classes at Pinchot last year, I – with a few friends and classmates – worked on water in California. My part was focusing on the inefficiency and the leaks occuring in the State. The findings are quite unsettling.