Currently, humans have, by far, the biggest impact on the planet and the Earth's biota. In recognition of this, some folk have suggested calling the current geological period the 'Anthropocene' (the age of the anthropoid ape). It's, however, ultimately the fate of all species to become extinct. We've learned about previous organisms (coal measure ferns; ammonites; trilobites; dinosaurs etc.) from fossil records left in sedimentary rocks. Palaeontologists (fossil specialists), have recently speculated on what might be in the human record, when we pass as a species. They suggest our 'geological signature' will largely consist of traces of plastic bags, cheap clothing, aluminium drinks cans and chicken bones (https://www.theguardian.com/science/2025/feb/22/technofossils-how-plastic-bags-and-chicken-bones-will-become-our-eternal-legacy). It doesn't seem much of a legacy! In addition, there might well be human bones and, perhaps, other remnants of our metal, glass, stone and plastics technologies. Would AI or another replacement for humans, actually be interested?
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