It’s both a precious resource and a dangerous pollutant, exponentially increasing crop yields, while fouling our waterways with blue-green algae. The element phosphorus has played a crucial role in agriculture and war, while its reserves are unevenly distributed, with much of the world’s supply located in the occupied territories of Western Sahara. Writer Dan Egan discusses the double-edged nature of an element that is increasingly depleted and overused. (Encore presentation.)
Resources:
Dan Egan, The Devil’s Element: Phosphorus and a World Out of Balance Norton, 2023
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