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The very short version of the problem goes like this: Despite all those triangle-arrow recycling symbols on the bottom of your bottles, most plastic is not recyclable. And the stuff that is often isn’t recycled anyway, because the process is dirty and cumbersome. Which means your recycling bin may be emptied into a landfill.
Kujawa wants to fix this. She had a successful career in entertainment and tech, but was looking to do something more meaningful. Around 2015, she heard about a company that had developed an interesting concept: It smushed old plastic into blocks, which could be used as construction material instead of concrete or bricks. “They had a prototype and it kind of worked, but not really,” Kujawa says. The company had since closed, and the patent had lapsed. “I said, ‘I know I can make that better.’”