Supports up to two external displays:
Two displays up to a native resolution of 6K at 60Hz or 4K at 144Hz
One display up to a native resolution of 8K at 60Hz or 5K at 120Hz or 4K at 240Hz

Supports up to two external displays over a single Thunderbolt port
Simultaneously supports the built-in display at full native resolution
Thunderbolt 4 (USB‑C) ports support native DisplayPort 1.4 speeds (up to HBR3) with DSC capability

2 x Thunderbolt 4 (USB-C) ports with support for:

Charging
DisplayPort
Thunderbolt 4 (up to 40Gb/s)
USB 4 (up to 40Gb/s)

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