A study shows that polar drift can be explained by human-related disappearance of water bodies from the continents, including the removal of groundwater.
Or: how pushing the button of a pump eventually makes our planet literally to drift about. Speaking of a butterfly effect ...

• Deng, S., Liu, S., Mo, X., Jiang, L., & Bauer-Gottwein, P. (2021). Polar drift in the 1990s explained by terrestrial water storage changes. Geophysical Research Letters, 48, e2020GL092114.
  
• See also the article in The Guardian, 23/04/21: Climate crisis has shifted the Earth’s axis, study shows