UPDATE: Arctic Albedo Feedback & Climate Acceleration Following our report yesterday on Arctic sea ice decline and the albedo feedback mechanism, satellite data from the National Snow and Ice Data Center now shows September 2024 extent at 3.97 million km²—the sixth-lowest on record. This represents a critical threshold: each percentage point of sea ice loss accelerates warming at approximately 0.1°C per decade in the Arctic, a rate 2–3 times faster than global average. The feedback loop intensifies as darker ocean water (albedo ~0.06) replaces reflective ice (albedo ~0.9), trapping additional solar radiation and compounding the acceleration we documented.