What this shows: A world choropleth base (no colors yet) using the Natural Earth projection.
Why this projection? Natural Earth gives a visually balanced world view with a good compromise between shape and area.
index.html (with importmap) and
style.css.index.js and hit Run in VizHub.index.html — includes importmap + <svg id="viz">style.css — simple styles for land/bordersindex.js — draws countries + borders from world-atlas
TopoJSON