Sustainable laptops, ethical notebooks and repairable computers, rated on the Throne standard. Compare the most repairable, upgradeable and lowest-carbon laptops, from Framework's modular machines to the greenest MacBook, ThinkPad, Dell and ASUS models. Every laptop is scored on recycled aluminium and magnesium, iFixit repairability, RAM upgradeability, software support, take-back and carbon footprint.