• Tips on lead-free solder from Maya Posch on Hackaday
  • Can a smartphone be sustainably manufactured? – In-depth research on materials and processes, by Christina Cyr while building the Cyrcle Phone
  • Jiva Materials: Fully recyclable and biodegradable PCB substrate!
  • Sustainable materials for design – from LOOMIA Soft Circuit Systems
  • Fabrication with recycled plastic, cardboard, and more: Agustín Arroyo talks about 3D-printing molds to recycle cardboard into desk objects, packaging, etc. – and using DIY recycled plastics for 3D printing / vacuum forming!
  • Precious Plastic: Highly developed guides, machines, and bazaar for recycled plastic
  • 3D printing:
    • Article from All3DP comparing various recycled filaments
    • U-HIPS filament from Closed Loop Plastics on MatterHackers – 100% recycled from post-consumer plastic cups and lids
    • taulman3D Enviro 100% Recycled PETG Filament – on recycled cardboard spools!
    • Re:3D's GIGABOT X can print with flakes or pellets of shredded plastic waste! No need to even process it into filament, store it on spools, etc.
      • They also have a knowledge base with tons of info on printing with reclaimed plastics, materials testing procedures, etc.
  • Use cardboard to prototype (a little obvious, but hey!)
  • Try using origami for prototyping, before you 3D-print
  • Inventory of Carbon & Energy Database: a free online resource with information about the embodied carbon of more than 200 materials.