Climate projections again point to dangerous 2.7 °C rise by 2100

The research partnership Climate Action Tracker (CAT) on Thursday released its latest projections of how greenhouse gas emissions may dangerously raise the global average temperature. The result is similar to last year’s – a troubling 2.7 °C increase above preindustrial levels if policies don’t improve – but a different point of comparison adds a new dimension to the finding. The key numbers in the updated projections: