{"version":"1.0","type":"rich","title":"Q2 (b) — Line Chart (CO₂ vs GDP-sorted Countries, 2025)","description":"A line chart displays CO₂ emissions for countries sorted by GDP per capita in 2025. The visualization uses D3 v7's `scalePoint` for the categorical x-axis, `scaleLinear` for the y-axis, and `d3.line` with `curveMonotoneX` to draw the emission trend. Points mark individual data values while rotated axis labels improve readability. Data comes from a CSV file hosted on GitHub Gist.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/78459d32f63c4adea9bdf54f54f90b57?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}