- chartpack:
    format: gcubed-chartpack
    version: 1.4.0
    title: Illustrative North activity and emissions trajectory
    sector_selection_dimensions:
    - sectors
    - layers
    defaults:
      start_year: 2025
      end_year: 2035
- chart:
    title: Illustrative North activity and emissions trajectory
    chart_type: paired-scatter
    show_labels: true
    year: 2030
    observation_mode: selectable
    x_axis:
      label: Activity index (2025 = 100)
      min: 95
      max: 115
    y_axis:
      label: Emissions (Mt CO2-e)
      min: 0
      max: 65
    caption: Across years connects existing annual observations chronologically; Single year restores the authored point.
    series:
    - x_variable: SYNTHINDEX(USA)
      y_variable: SYNTHEMISSIONS(USA)
      label: Illustrative North