(NAPSI)—Global warming that caused glacial melting is likely the cause of a shift in the movement of the Earth’s poles in the 1990s, according to a new study in Geophysical
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The inside of the Greenery S uses red and blue LED lights that are set to the most efficient wavelength to promote plant growth. Photo Courtesy of Freight Farms
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April 28, 2021 at 7:00 am
A sudden zag in which way the North Pole was drifting in the 1990s probably stemmed in large part from glacial melt caused by climate change, a new study suggests.
The locations of Earth’s geographic poles, where the planet’s axis pierces the surface, aren’t fixed. Instead, they wander in seasonal and near-annual cycles, largely driven by weather patterns and ocean currents (
SN: 4/15/03). But in addition to moving about in relatively tight swirls just a few meters across, the poles drift over time as the planet’s weight distribution shifts and alters its rotation around its axis.