You don’t need fancy 3D printers. I remember watching a documentary about a man building a seed bank and reforesting a huge swath of land somewhere in Africa.

You don’t need fancy 3D printers. I remember watching a documentary about a man building a seed bank and reforesting a huge swath of land somewhere in Africa. At first he was ridiculed, fought against but eventually he succeeded. Very simple tools, traditional methods. I think this is the guy, much respect: https://www.lifegate.com/yacouba-sawadogo-the-man-who-stopped-the-desert https://www.lifegate.com/yacouba-sawadogo-the-man-who-stoppe...