digraph community_scale {
  bgcolor="#1a1a2e"
  rankdir=TB
  node [fontname="Helvetica" fontsize=10 style=filled shape=box]
  edge [style=invis]

  label=<<B><FONT COLOR="#cccccc" POINT-SIZE="14">how much land to replace disposable plastic?</FONT></B>>
  labelloc=t

  subgraph cluster_household {
    label="HOUSEHOLD (2.5 people)" fontcolor="#CDDC39" fontsize=11 fontname="Helvetica Bold"
    color="#CDDC39" style=dashed

    h_need [label="plastic consumed: ~200 kg/yr\nreplaceable fraction: ~30 kg/yr\n(packaging & disposables only)" fillcolor="#37474F" fontcolor="white"]
    h_land [label="hemp needed: 1/40 acre\n(~1,000 sq ft garden plot)" fillcolor="#827717" fontcolor="white"]
    h_note [label="one large backyard garden\ncould cover a household" fillcolor="#263238" fontcolor="#CDDC39" shape=note]
    h_need -> h_land -> h_note
  }

  subgraph cluster_village {
    label="VILLAGE (100 people)" fontcolor="#4CAF50" fontsize=11 fontname="Helvetica Bold"
    color="#4CAF50" style=dashed

    v_need [label="plastic consumed: ~13,000 kg/yr\nreplaceable fraction: ~1,200 kg/yr" fillcolor="#37474F" fontcolor="white"]
    v_land [label="hemp needed: ~1 acre\nplus processing facility" fillcolor="#2E7D32" fontcolor="white"]
    v_note [label="requires shared decorticator\n& chemical processing setup\n~$50,000 startup" fillcolor="#263238" fontcolor="#4CAF50" shape=note]
    v_need -> v_land -> v_note
  }

  subgraph cluster_town {
    label="TOWN (10,000 people)" fontcolor="#2196F3" fontsize=11 fontname="Helvetica Bold"
    color="#2196F3" style=dashed

    t_need [label="plastic consumed: ~1,300,000 kg/yr\nreplaceable fraction: ~120,000 kg/yr" fillcolor="#37474F" fontcolor="white"]
    t_land [label="hemp needed: ~100 acres\nindustrial processing facility" fillcolor="#1565C0" fontcolor="white"]
    t_note [label="requires industrial decorticator\nchemical plant, extruder\n$500,000+ investment" fillcolor="#263238" fontcolor="#2196F3" shape=note]
    t_need -> t_land -> t_note
  }

  honest [label="these numbers replace only disposable plastic packaging\n~20-30% of total plastic consumption\n\nengineering plastics, medical devices,\nelectronics, pipes, & wire insulation\nstill require petroleum or other solutions" fillcolor="#B71C1C" fontcolor="white" shape=note fontsize=10]
}
