What the tiny remaining 1.5C carbon budget means for climate policy
Prof Piers Forster, Dr Debbie Rosen, Dr Robin Lamboll,and Prof Joeri Rogelj, write: The latest estimates from the Global Carbon Project (GCP) show that total worldwide CO2 emissions in 2022 have reached near-record levels. The GCP’s estimates put the remaining carbon budget for 1.5C – specifically, the amount of CO2 that can still be emitted for a 50% chance of staying below 1.5C of warming – at 380bn tonnes of CO2 (GtCO2). At the current rate of emissions, this budget would be blown in just nine…