Two new studies reveal signs of fundamental climate shifts in Antarctica
Bob Berwyn writes: Antarctica’s vast ice fields and the floating sea ice surrounding the continent are Earth’s biggest heat shields, bouncing solar radiation away from the planet, but two studies released today show how global warming is encroaching even on the sunlight reflector in the coldest region on the planet. Research by scientists with the British Antarctic Survey focused on last year’s dizzying sea ice decline. During the austral winter of 2023, Antarctic sea ice extent was about 770,000 square…