30/08/2025
⚠️ New research confirms that the climate has likely already passed its tipping point.
The paper, published in Nature, confirms that the climate crisis in Antarctica has passed a dangerous tipping point, making its ice loss irreversible.
The study, led by Australian National University scientist Nerile Abram, points to a “regime shift” in which Antarctic sea ice has plummeted dramatically—retreating roughly 75 miles from the coastline since 2014.
This abrupt decline comes after a peak of sea ice growth, signaling a rapid and destabilizing change. As sea ice vanishes, it stops reflecting sunlight and instead allows the ocean to absorb more heat, fueling a deadly feedback loop of warming and further melting.
This runaway cycle endangers more than just sea levels.
The melting could destabilize massive ice bodies like the Thwaites Glacier—nicknamed the “Doomsday Glacier”—which alone could raise sea levels by over two feet. It also threatens to collapse the Antarctic Overturning Circulation, a vital global ocean current that distributes warmth and nutrients across the planet.
Scientists warn that even under the best emissions reduction scenarios, these tipping points may already have been crossed. With irreversible processes now in motion, cutting emissions is no longer just a strategy—it’s the minimum requirement to slow the accelerating consequences.
paper
Abram, N.J., Purich, A., England, M.H. et al. Emerging evidence of abrupt changes in the Antarctic environment. Nature 644, 621–633 (2025).
