Why vanishing sea ice at the poles is a crisis for the entire planet

Extremely low sea ice levels in the Arctic and Antarctica signal a "new normal" that may accelerate global warming and disrupt ocean currents, on top of the consequences for people and wildlife that rely on the ice. Read the 21 April 2025 article by James Dinneen here: https://apple.news/AfV-loROrSm-4JtkEiZIl8w And see related articles here:

https://www.newscientist.com/article/2473584-why-vanishing-sea-ice-at-the-poles-is-a-crisis-for-the-entire-planet/ https://www.arcticwwf.org/newsroom/features/arctic-sea-ice-maximum-crisis-as-ice-melts-and-risks-rise/