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Also helping develop intuitions about materials transition, which is the other side of the climate action coin from energy transition, and somehow vastly less legible. Just the sheer amount of detail about the zillions of materials the modern world uses is overwhelming.
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Eg… did not know this stuff about polypropylene (#5 recycling code plastic in the US). Leaching out the dye is one solution… another is shifting more to packaging for ecommerce with less need for designing for shelf-appeal.
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