Material 01: Eco Concrete
Researchers have found waste plastic can replace 10% of sand in concrete construction.
https://www.bath.ac.uk/announcements/waste-plastic-in-concrete-could-help-support-sustainable-construction-in-india/
7% of global CO2 emissions come from cement. "Coral cement" can create carbon store instead.
https://www.wired.com/2015/09/think-like-tree-new-kind-eco-friendly-concrete-inspired-coral/
Material 02: Cigarette Butt Bricks
Introducing cigarette butts into brick construction can lessen energy taken to create bricks by 58%, as well as reducing cigarette waste. The bricks created are lighter and better insulated.
https://www.treehugger.com/clean-technology/cigarette-butts-make-better-bricks.html
Material 03: Urine Bricks
You may potentially be able to use urine instead of cement in brick making.
Material 04: Transparent Wood
Timber based solar panels? Biodegradable structural glass? Transparent wood may be the answer.
https://www.fastcompany.com/3058621/this-swedish-scientists-transparent-wood-could-transform-architecture