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 E-Mail IMAGE: Melting of glaciers in Alaska, Greenland, the Southern Andes, Antarctica, the Caucasus and the Middle East accelerated in the mid-90s, becoming the main driver pushing Earth s poles into a sudden. view more  Credit: Credit: Deng et al (2021) Geophysical Research Letters/AGU WASHINGTON Glacial melting due to global warming is likely the cause of a shift in the movement of the poles that occurred in the 1990s. The locations of the North and South poles aren t static, unchanging spots on our planet. The axis Earth spins around or more specifically the surface that invisible line emerges from is always moving due to processes scientists don t completely understand. The way water is distributed on Earth s surface is one factor that drives the drift.

United statesVincent humphreySuxia liuShanshan dengXingguo moPeter bauer gottweinLiguang jiangInstitute of geographic sciencesKey laboratory of water cycleDanish collegeUniversity of the chinese academy sciencesNatural resources researchEquity centerMinistry of scienceUniversity of zurichDepartment of environmental engineering