Human health, water supplies, nature, cities, infrastructure and economies could all be severely damaged by temperature rises Global heating will reach at least 1. 8C under even the most optimistic future, well beyond the Paris agreement goal of 1. 5C, according to a UN report that warns every fr...
Source: [Guardian World](https://www.theguardian.com/environment/2026/sep/02/global-heating-warming-1-8c-best-case-scenario-un-united-nations-environment-programme-report)