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Temporality of Things, 2018A list of industrial and artisanal raw materials, compiled for a lecture, with information on formation times, reserves-to-production ratio (R/P), and annual consumption in percent. The R/P figure indicates how long a raw material will last: it is calculated by dividing total proven reserves by annual production.
The list is a manifesto in its own right: given the immense lengths of time required for these materials to form, the brevity of our consumption becomes a measure of our responsibility – towards our planet, its raw materials, and future generations.


Updated with the latest available data (2026).