Yes you read right! It is still in the research and development stage but "glass" can be made from wood! https://www.inceptivemind.com/transparent-wood-material-window-tomorrow… also see https://phys.org/news/2019-11-transparent-wood-material-future.html and https://en.wikipedia.org/wiki/Transparent_wood_composite
And here is a You Tube video of how to do it at home https://www.youtube.com/watch?v=uUU3jW7Y9Ak
Image credit: https://phys.org/