Apple increased the use of recycled materials in its products to nearly 20% in 2021 | TechCrunch
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LifeProof Headphone Case for AirPods Pro, Shockproof, Drop Proof, Ultra-Slim, Scratch and Scuff Protective Case for Apple AirPods, Includes Carabiner, Sustainably Made, Dark Grey
Apple expands the use of recycled materials across its products - Apple
Apple AirPods Max — Design Life-Cycle
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How One Small Startup Is Tackling Apple's Big AirPods Problem | Wirecutter