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Climate change affects us all, no matter where we live, but it is particularly devastating for fragile countries and communities facing conflict or humanitarian crises. Today, of the 15 , 13 are struggling with violent conflicts.

While climate change does not directly ignite conflict, it acts as a , exacerbating existing vulnerabilities and tensions. It intensifies competition for dwindling natural resources, drives up food prices and heightens geopolitical instability. The warns that the impact of climate change will worsen and become a more significant driver of conflict in the years to come.

This snapshot reveals the devastating consequences of conflict and climate-induced disasters on millions of people living around the world. It looks at what¡¯s happening on the ground in some of the most affected countries.

Learn more about climate change, its causes and effects and its impacts on human security.

Afghanistan

Afghanistan, grappling with decades of conflict and underdevelopment, remains one of the world's most impoverished and insecure nations. The escalating effects of climate change, manifesting in intensified droughts and flash floods, are deepening the country's humanitarian crisis, leading to increased displacement, hunger and poverty.

In 2022, Afghanistan endured its most severe drought in three decades, and 2023 marked the of drought conditions. This environmental catastrophe has left six million Afghans teetering on the brink of famine.

Desertification is worsening the situation, ravaging more than 75 per cent of land in the northern, western and southern regions. This has reduced vegetation cover, accelerated land degradation and severely impacted farming.

Today, the consequences are increasingly dire, with ¨C over two thirds of the population ¨C in desperate need of humanitarian assistance to survive.

Read more about climate change and desertification.

Democratic Republic of the Congo

In the Democratic Republic of the Congo (DRC), conflict and the climate crisis are locked in a devastating cycle, each aggravating the other. Escalating violence and increasingly severe floods have triggered record levels of displacement. The country is now home to the largest number of internally displaced people in Africa, with a staggering having fled or lost their homes. Floods and storms between 2008 and 2023 drove nearly displacements.

Displacement leaves people even more vulnerable to the ravages of climate change. They struggle in precarious living situations with limited resources and infrastructure to cope with extreme weather events.

In the DRC, an abundance of natural resources has fuelled . Unsustainable mining, logging and poaching practices both perpetuate the violence and devastate the environment. This process accelerates climate change and destroys ecosystems essential for food production and economic growth.

Haiti

With a history of catastrophic disasters and deep poverty, Haiti is one of the most vulnerable nations in Latin America and the Caribbean when it comes to climate change.

Rising temperatures and prolonged droughts have severely impacted food access for , nearly half the country's population. In , floods and landslides afffected nearly 40,000 families, displacing at least 13,400 people. The increasing frequency of floods has led to a surge in deaths, widespread destruction, displacement and outbreaks of waterborne diseases.

Sea-level rise further compounds Haiti's vulnerability, as coastal erosion and flooding endanger the lives and livelihoods of countless people residing along the coast, particularly in the densely populated capital, . The city¡¯s precarious situation is aggravated by poorly constructed housing on floodplains and inadequate waste management, factors that heighten the risks of disease outbreaks.

Read more about the impact of climate change on people¡¯s health.

Iraq

Among the , Iraq is one of the most vulnerable to climate change, and is already grappling with . Rising temperatures, dwindling rainfall and are wreaking havoc on .

The impact on children is particularly dire, with UNICEF reporting that nearly lack access to clean water. Less than half of schools have basic drinking water, jeopardizing children's health, nutrition and cognitive development.

Desertification has ravaged approximately of Iraq's land. The Government estimates that an additional s of arable land will be lost to degradation each year.

Drought has left an estimated vulnerable to displacement and food insecurity, with approximately lacking enough to eat. In December 2022, nearly fled their homes and farms due to drought in central and southern Iraq.

Climate-induced stressors have threats from resource competition, intercommunal tensions and violent conflict, casting a dark shadow over the country's future.

Learn more about climate change and water scarcity.

South Sudan

Devastating cycles of floods and droughts in South Sudan are destroying agriculture and deepening food insecurity, impacting approximately 1 million people annually, according to the . Above-average rainfall has engorged rivers and tributaries, submerging vast stretches of land as well as homes, farms and schools.

With of South Sudan's population dependent on climate-sensitive livelihoods like farming and agriculture, the impacts of floods and droughts are profound. In recent years, the severe disruption of agricultural activities has left over food insecure and displaced .

South Sudan also grapples with extreme heat. In 2023, a prolonged heatwave, with temperatures soaring to a scorching 45¡ãC (113¡ãF), forced schools to close for . The multifaceted climate crisis plunging this relatively new nation into a state of humanitarian emergency highlights the urgent need for climate adaptation and resilience.

Learn more about climate change and extreme heat.

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In 2018, the 51³Ô¹Ï established the Climate Security Mechanism. Led by the 51³Ô¹Ï Department of Political and Peacebuilding Affairs and Department of Peacekeeping Operations as well as the 51³Ô¹Ï Environment Programme and 51³Ô¹Ï Development Programme, the initiative is designed to address links between climate, peace and security in responses to crises around the world.

The mechanism supports 51³Ô¹Ï field missions, country teams and regional organizations to analyze climate-related security risks and design integrated, timely responses. Learn more about .