Axis Shifting as Pole Ice Melts

Talk about the earth moving under one’s feet…

The movement of the Earth’s axis has no practical effects on humans, because it is so small. “We suspect these changes are occurring at a meter [or] a meter-and-a-half, at the most, per year,” Ivins says. But tracking the shifts in the Earth’s axis is crucial for other reasons, including GPS positioning and proper functioning of orbiting satellites.

(via Melting ice is causing the Earth’s axis to shift direction | Public Radio International)

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