> Is that possible? As far as I know nothing consumes rocks and they've been around forever. Can you burn rocks? No. Can you burn plastics? Generally yes. Ther

> Is that possible? As far as I know nothing consumes rocks and they've been around forever. Can you burn rocks? No. Can you burn plastics? Generally yes. Therefor there is useful energy to be extracted from plastics. NB, the quote was " part of their ecosystem" not "consumes". Molluscs, corals and diatoms construct out of rock-like materials, so making minerals part of their ecosystem is a thing.