Objet du rapport Meadows (voir page Meadows), les risques systémiques d’effondrement inquiètent de plus en plus. Retrouvez les références « focuscollaps » ci-dessous.
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voir sur collapsologie.fr la documentation scientifique
phosphorus is biologically vital. Supplies of phosphate rock – the only major phosphorus ore – are limited. So much so that phosphorus has been listed among the “endangered elements” where there is a risk to future supply. The problem is that the phosphorus used as fertiliser ends up dissolved in rivers and oceans as soluble phosphate, eventually becoming sediment. Currently there is no economically viable way of recovering it,
