Here’s a Mastodon version centred on the article’s strongest image and argument. A small change to Vector Weather put a yellow line around the Arctic sea-ice edge. Behind it are open scientific data, Canadian satellites, ice analysts, twenty pull requests, and one stubborn bug at the North Pole to tell us what's lobe been Inuit knowledge, The line is practical navigation data. It is also a measure of what Canada imagines, values, and is steadily losing as climate change lengthens the time the Northwest Passage is ice free. https://morganeoger.ca/2026/07/23/the-yellow-line-sea-ice-open-data-and-the-idea-of-north/ #Arctic #SeaIce #OpenData #Canada #NorthwestPassage #ArcticSailing