Why Did Earth Experience Climate Swings Without Ice Sheets? Scientists Identify Orbital Wobbles as the Driver

 

Why Did Earth Experience Climate Swings Without Ice Sheets? Scientists Identify Orbital Wobbles as the Driver New findings explain abrupt climate swings in ancient ice-free worlds and inform future warming scenarios BEIJING, Jan. 22, 2026 /PRNewswire/ -- Earth's slow axial wobbles—known as precession cycles—do not just shape long-term climate trends. A new study led by researchers from China,... Why Did Earth Experience Climate Swings Without Ice Sheets? Scientists Identify Orbital Wobbles as the Driver computer & electronics edu environmental products & services hed education pub environment