"Melting Polar Ice Slows Earth's Rotation, Prompting Time Adjustment"

Earth's changing spin may necessitate the subtraction of a second from world clocks around 2029 due to the planet rotating faster than before, a situation described as "unprecedented" by scientists. The Earth's slowing rotation, caused by tides, has been counteracted by the melting of ice at the poles, delaying the need for a "negative leap second." This complex issue involves physics, global politics, climate change, and technology, with implications for timekeeping systems and computer operations. While some experts believe a negative leap second is inevitable, others argue that long-term predictions about Earth's rotation are uncertain.