Millions of refugees are trapped in a vicious cycle of conflict and climate extremes, the United Nations has said, urging the COP30 summit to provide financing for the most vulnerable. UNHCR, the U.N. refugee agency, said Monday that within 15 years the places currently hosting nearly half the world's refugees could be facing extreme exposure to climate-related shocks. "Climate change is not only amplifying existing vulnerabilities — it is also fuelling displacement trends, creating complex and