Buuxi weedha soo socota: Sanadkii 2015, laba hay'adood oo ka tirsan khubarada sayniska ee UNFCCC ayaa soo gabagabeeyey in "gobollada qaarkood iyo nidaamyada deegaanka ee nugul, khataro sare la saadaalinayo xitaa haddii heerkulku ka sarreeyo 1.5 °C". Go'aankan khabiirnimada ah, oo ay weheliso codka diblomaasiyadeed ee xoogga leh ee dalalka ugu saboolsan iyo kuwa jasiiradaha Baasifigga, ayaa horseeday go'aankii Golaha Wakiillada ee sannadkii hore.
Shirka Paris 2015, si loo dejiyo 1.5 ° C bartilmaameedka muddada-dheer marka lagu daro bartilmaameedka 2 ° C ee hadda jira.