​Study Suggests Climate Change Affects Earth's Rotation

  • Recently, new research indicated melting glaciers from climate change are slowing Earth's rotation, delaying the need for a "negative leap second.
  • Accelerated melting of Greenland and Antarctica's ice sheets redistributes weight, slightly slowing Earth's rotation on its axis.
  • Earth's rotation, managed by Coordinated Universal Time (UTC), has been gradually speeding up, requiring periodic addition of leap seconds to clocks worldwide.
  • Anticipated "negative leap second" adjustment, initially planned for 2026, may be postponed until 2029 or later due to the slowing rotation caused by glacial melt.
  • Implementation of negative leap second adjustment could pose challenges for computer systems unprepared for subtracting ....
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