Manufacturing Processes that Reuse Wasted Natural Resources

Two fantastic new materials made from recycled natural ressources just caught my attention:

1. 3D-printed wood
https://www.core77.com/posts/108830/Forust-is-Using-Binder-Jetting-to-3D-Print-Wood?utm_source=public_sidebar

2. Ostra, a material made from recycled oyster shells
https://www.core77.com/posts/108841/Great-Industrial-Design-Student-Work-Jade-Echard-Transforms-Oyster-Shells-Into-Durable-Material?utm_source=core77&utm_medium=from_title