
Climate change could affect timekeeping, study says
Melting ice is slowing the Earth's rotation, affecting how time is calculated, a new study says.

Since the 1970s, to correct for this, about 27 leap seconds have been added to the global clock, with timekeepers planning on subtracting a second for the first time in 2026. This is known as a "negative leap second."
However, the study finds that ice melt caused by climate change has partly offset that acceleration.
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