1.5°C arrives as a Tuesday report

The UN Environment Programme said on 2 September that the threshold the entire diplomatic architecture of the last decade was built around will be breached "within the next few years," and called for net zero to be reframed as a milestone towards net-negative. Behind it, the El Niño in the Pacific has already passed the strength of the 2015–16 event; the median model forecast for its peak is 3.59°C against the record of 2.75°C, and the odds of 2026 being the warmest year on record have risen to ...