{"version":"1.0","type":"rich","title":"Activity7_Areachart","description":"This area chart visualizes yearly CO2 emissions from 2010 to 2021 for North America, with data loaded from a remote text file. The code uses D3 v7 to group the data by region, apply a time scale for years, and generate filled SVG areas via `d3.area`. Two placeholder colors distinguish the single visible region, while axes, labels, and a legend are added using `d3.axisBottom` and `d3.axisLeft`. The visualization renders entirely as an SVG within a styled HTML container.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/b4980c74622d44ef97a8fac191a440cb?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}