is sourced from supplier renewable energy projects2 80% recycled titanium in iPhone Air, the highest of any iPhone iPhone Air | Product Environmental Report...

https://www.apple.com/jp/environment/pdf/products/iphone/iPhone_Air_PER_Sept2025.pdf

Suppliers must certify compliance with this specification and provide required documentation (including required test data, Full Material Disclosure (FMD), ...

https://www.apple.com/jp/environment/pdf/Apple_Regulated_Substances_Specification_Sept2018.pdf