MaeNodau Datblygu Cynaliadwy'r Cenhedloedd Unedigyn nodi'r ffyrdd y gall llywodraethau ledled y byd weithio i wella bywydau eu dinasyddion a gofalu am systemau naturiol. Mae'r ddwy nod ar bymtheg yn cynrychioli diben byd-eang a rennir i fynd i'r afael â rhai o'r heriau mwyaf sy'n wynebu dynoliaeth - gan gynnwys dileu tlodi a newyn, creu cydraddoldeb o ran rhywedd, darparu addysg o ansawdd, iechyd da, a llesiant.
TheUnited Nations Sustainable Development Goalsset out the ways in which governments across the globe can work to improve the lives of their citizens and look after natural systems. The seventeen goals represent a shared global purpose to tackle some of humanities biggest challenges - including eliminating poverty and hunger, creating gender equality, providing quality education, good health, and well-being.