The 1.5°C Threshold Is Now a Sustained Reality, Not a Spike

Global ocean heat has persisted at record levels since June 21, 2026, cementing the 1.5°C overshoot as a permanent state rather than a temporary anomaly. The emergence of a strong El Niño is accelerating this thermal shift, transforming climate risk into an irreversible crisis that overwhelms adaptation capacities and collapses critical ecosystems.