I think this is one of the saddest aspects of the progression of our current expression of Civilization as we forge through time: The lost knowledge and, even

I think this is one of the saddest aspects of the progression of our current expression of Civilization as we forge through time: The lost knowledge and, even more importantly, the fundamental resource depletion/extinction caused by our activities which result in both the knowledge of *how* to do/accomplish/build/mend/heal, as well as the actual natural resources required to execute that knowledge in a meaningful or impactful way on your life... --- However the Chestnut appears to be largely wiped out by two separate blights https://www.usda.gov/media/blog/2019/04/29/what-it-takes-bring-back-near-mythical-american-chestnut-trees https://www.usda.gov/media/blog/2019/04/29/what-it-takes-bri...