====== Some Ideas ======
  * The Anthropocene Era [[https://www.youtube.com/watch?v=oBcHf_eeYt4|Video]]
    * Good intro to materials humans produced, like plastic, aluminum, and fertilizers.
  * HDPE Blocks from Plastic Bottles [[https://www.instructables.com/HDPE-Blocks-From-Plastic-Bottles/|Instructable]]
    * Shows how recycling changes form, and maybe function.
    * Shows how separating materials makes the result better.