Where does it all come from?

Richard Jones at Soft Machines reports that Andrew Johnson, of the UK’s Centre for Ecology and Hydrology at Wallingford estimates that “130 tonnes of nano-titanium dioxide a year is used in sunscreens in the UK” and probably most of this ends up in the water supply aftre being washed off in the shower.

A couple of points struck me as odd about this. Firstly, a traditional British summer (with or without climate change) consists of leaden skies and heavy showers pierced by an occisional shaft of sunlight and any susnscreen I use invariably ends up in the water supply of Spain, California or China. Secondly, sales of nanoparticle sunscreens seem to be pretty much negligable.

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