Stop for a moment and pay attention to the things around you. The clothes you’re wearing, the device you’re using, what you’re sitting on, the building you’re in. What are they made of?  The simple answer is “stuff from nature” — woods, metals, rocks, oils, and plants refined into things like furniture, batteries, bricks, plastics, and clothes.  In 2017, humanity’s total material footprint — which refers to the total amount of raw materials we extract to fuel our economies — was 92 billion tonnes. The UN predicts this will more than double by 2060 without a change to the current…

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