A lot of the bay area is due to old chip manufacturing plants. I want to say it has one of the largest concentrations of Superfund sites in the US, but don't qu

A lot of the bay area is due to old chip manufacturing plants. I want to say it has one of the largest concentrations of Superfund sites in the US, but don't quote me on that. Edit: Don't quote me, quote the Atlantic. https://www.theatlantic.com/technology/archive/2019/09/silicon-valley-full-superfund-sites/598531/ https://www.theatlantic.com/technology/archive/2019/09/silic...