Antarctic sea ice has reached concerning new lows, with scientists warning it may signal a climate tipping point that could trigger far-reaching effects on ocean circulation, sea levels, and marine life. The summer of 2025 marked another troubling milestone as Antarctic sea ice reached its minimum extent of 1.98 million square kilometers on March 1, tying for the second-lowest level in the 47-year satellite record. This continues a worrying trend, as the past four years have recorded the four lowest sea ice minimums ever measured. “Antarctic sea ice may actually be one of those tipping points in the Earth’s system,” … Continue reading Antarctic Sea Ice Loss Signals Climate Tipping Point with Self-Perpetuating Effects, Scientists Warn