MacBook Air is made with 55% recycled content, including:
100% recycled aluminum in the enclosure and trackpad gel plate
100% recycled cobalt and 95% recycled lithium in the battery
100% recycled gold plating in all Apple-designed printed circuit boards and all connectors
100% recycled rare earth elements in all magnets
100% recycled tin solder in all Apple-designed printed circuit boards
90% recycled steel in the keyboard feature plate and trackpad beam