The Watership Down rabbits removed an additional 0.1 nanometers constructing their warren, although that was mostly soil. British rabbits have historically mined very little coal; the sole rabbit-run coal plant was shut down in the 1990s.

https://explainxkcd.com/2992/

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    24 hours ago

    Islay Scotland has burned a shitton of peat over the last couple of centuries to make malt whisky and it’s very small. Wonder how much if their elevation they’ve burned?