Why the bright blue Olympic hockey pitch was the greenest yet

But actually, it was not just the action on the pitch that was special, but the pitch itself.  Other than being an unmissable bright blue, for the first time in Olympic history, conventional oil-based plastics were not used for the pitch surface as organisers have instead opted for turf made 60% from re-growable raw materials. In this case, Brazilian sugar cane that has already been processed for food. The manufacturers claim that the bio-polyethylene surface will require two-thirds less water than previous Olympic turfs, and that for every kilo of the material used in the turf, five ...