The great cost of cleaning the world’s water

Alan Kohler here, and today’s CEO is not a CEO. It’s a Chairman, Laurence Freedman, the Chairman of Phoslock Environmental Technologies, PET. It uses a technology that was invented by CSIRO. They bought it off CSIRO, I think about 10 years ago, and Laurence has been involved since, oh for about five or six years. He is now the largest shareholder with 16%, though he’s the chairman. The product they make is called Phoslock and it removes phosphorus from lakes and other water bodies, which is the stuff that blue-green algae feeds on, so it starves the blue-green algae and

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