Green Rush part 2/Filtering storm water with sand

In our ongoing series getting to know the ‘green rush’ a bit better, we are meeting people innovators in the world of cannabis growing. One such person is Mike Lewis of Third Wave farms which occupies a unique niche as a supply chain consultant working  to maximize crop yield and quality.   

Stormwater that runs off pavements, gutters and lawns - picking up toxins and contaminants along the way - is usually discarded as pollution. But researchers at UC Berkeley have found a new way to use sand to soak up certain toxic materials from storm water which could unlock a new water supply. We’re joined by lead author Joe Charbonnet.