UN warns world likely to overshoot 1.5°C, sees possible path back

The new summary adds that major economies have recently loosened emission restrictions, emphasizes no good outcomes if temperatures stay above 1.5°C, and reframes the goal as actively managing overshoot and returning below the threshold rather than preventing any overshoot, while noting a shift toward a peak around 1.8°C and a pathway combining immediate cuts with long-term carbon dioxide removal.