When prehistoric peoples weren't inventing fire or discovering the versatility of the loincloth, apparently they did a bit of recycling too. Although their caves weren't equipped with different colored bins, they did seem to reuse tools and even animal bones. "Why do we recycle plastic? To conserve energy and raw materials," archaeologist Avi Gopher said. "In the same way, if you recycled flint you didn't have to go to the quarry to get more, so you conserved your energy and saved on the material."
Evidence of recycling and reuse has been detected in caves in Spain, Northern Africa, Italy and Israel and could date back to 1.3 million years ago. Fifty scholars recently presented their findings regarding prehistoric recycling at a conference cleverly called "The Origins of Recycling." [Source]
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