The United Nations High Commissioner for Refugees (UNHCR) has issued a stark warning about the intensifying intersection of climate change and the global refugee crisis. By 2050, some of the world’s hottest refugee camps could face nearly 200 days of extreme heat stress annually, posing significant risks to health and survival. Filippo Grandi, the outgoing UN Commissioner for Refugees, emphasized how extreme weather disrupts access to essential services, destroys homes, and forces families who have already fled violence to flee once more. Details on these developments are outlined in a report released on the first day of the UN Climate Change Conference.
UN experts assert that while climate change does not directly cause war or conflict, it exacerbates existing violence in complex, context-specific ways. By worsening poverty, increasing tensions over scarce resources like food and water, and heightening economic and political insecurity, climate change can lead to situations where individuals become more vulnerable to recruitment by armed groups.
The projected intensification of climate-related risks facing displaced populations demands urgent global action. As greenhouse gas concentrations reach record highs and ocean temperatures rise, the number of countries grappling with extreme climate-related hazards is expected to surge from three to 65 by 2040. These nations currently host over 45% of all people displaced by conflict, with many already experiencing instability or ongoing violence.
The situation has prompted calls for a comprehensive response framed around four key actions: enable, include, invest, and deliver. The UNHCR report advocates for accelerated efforts to protect refugees, preparedness of host communities, and greater leadership from displaced populations themselves. Crucially, it emphasizes the need for climate policies developed in consultation with affected communities and the scaling up of equitable access to climate finance for refugees. Efforts to address these issues are also highlighted in global discussions on climate change and displacement.
The challenges are compounded by the geographic realities of many large refugee settlements, which are located in regions experiencing harsher weather conditions than their host countries. This exacerbates the already significant challenges faced by displaced individuals, particularly in fragile and conflict-affected settings. As these challenges intensify, addressing the linkage between climate change and displacement becomes ever more crucial.