The world’s food supplies as reserves of phosphate rock, the main source of phosphorus used in fertilizers, are running out and the impacts can be immense. This is the gist of a recent article written by SEI researchers Arno Rosemarin and Ian Caldwell together with senior sanitation advisor Gert de Bruijne from WASTE, a Dutch organization advising on sustainable improvement of the urban environment.

The article, entitled The next inconvenient truth: Peak phosphorus , was recently published in The Broker and warns that the current trajectory can lead the world into uncharted territory.

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