Climate change-driven sea-level rise is lengthening Earth’s days at a rate unseen in 3.6 million years, surpassing natural lunar and geophysical influences. Hyderabad: Earth's rotation speed is not constant. Although only a minuscule fraction of a second, the gravitational effects of the Moon, as well as large-scale geophysical processes on the planet, affect how fast or slow the Earth rotates on its axi... [2752 chars]