A Gathering Storm: How Climate Change Fuels Conflict and Hunger in the Sahel
Atef Mahmoud Dobal, Political Science Researcher
6/23/20254 min read


A Gathering Storm: How Climate Change Fuels Conflict and Hunger in the Sahel
The Sahel region of Africa, a vast semi-arid belt stretching from Senegal to Sudan, is caught in a perfect storm. It is one of the most environmentally fragile places on Earth, and its people are facing a "triple crisis" of instability, conflict, and climate change. But these are not separate challenges. Climate change is acting as a powerful "threat multiplier," accelerating a cascade of devastation that is undermining livelihoods, fueling violent conflict, and creating a humanitarian catastrophe.
The Sahel is not just a case study in environmental stress; it is a stark warning of how climate change can unravel the very fabric of society.
The Heat is On: A Region Warming Faster Than the World
The climate crisis is hitting the Sahel with punishing force. Temperatures here are rising 1.5 times faster than the global average, with projections showing a potential increase of up to 4.3°C by 2080. This isn't a distant threat; it's a present reality. The number of days with extreme heat (above 35°C) is soaring, and heat-related deaths are projected to quadruple by 2080.
For a region where over 80% of the population depends on agriculture and pastoralism, these changes are catastrophic.
The Paradox of Rain
While it may sound counterintuitive, total annual rainfall might slightly increase. However, the nature of that rain is becoming a greater threat. The seasons are now marked by devastating unpredictability. "False starts" to the rainy season trick farmers into planting, only for their crops to wither in subsequent dry spells. When the rain does come, it often arrives in short, intense downpours that wash away topsoil, causing erosion rather than nourishing the land. For the 90% of farmers who rely on rain-fed agriculture, these erratic patterns are making subsistence farming an impossible gamble.
Dwindling Water, Rising Tensions
Even with more intense rain, the region’s water resources are dwindling. Soaring temperatures accelerate evaporation, drying out the soil. While the Sahel has abundant renewable water, poor management and climate change are shrinking itsavailability.
The most alarming projection is the steep decline in per capita water availability, which is expected to plummet by as much as 77% by 2080. This isn't just due to climate change; it's also driven by the Sahel's rapid population growth, which is massively increasing demand. When an essential resource like water becomes critically scarce for a growing population, an environmental challenge transforms into a direct threat to human survival and a potent driver of conflict.
A Vicious Cycle of Degradation and Conflict
As the climate crisis deepens, it triggers a self-reinforcing cycle of environmental destruction and social breakdown.
From Fertile Land to Desert
The Sahel is a global hotspot for desertification. A toxic mix of recurrent droughts and unsustainable human practices—like overgrazing and deforestation—is turning productive land to dust. The scale is staggering: 46% of arable land in Burkina Faso is now degraded, while Niger loses up to 120,000 hectares of productive land every year. Across the five central Sahelian countries (Burkina Faso, Chad, Mali, Mauritania, and Niger), nearly 80% of agricultural land is degraded, crippling the region’s ability to feed itself.
This feedback loop is brutal. As climate change degrades land, communities—driven by population growth and hunger—are forced to expand farming and livestock into new, marginal areas. This clears natural vegetation and depletes soil, which in turn accelerates erosion and desertification. People are then forced to move again, and the cycle repeats, becoming more destructive each time.
When Neighbors Become Rivals
This shrinking resource base is inflaming tensions between communities. The primary flashpoint is the escalating conflict between sedentary farmers and mobile pastoralists. For centuries, these groups coexisted, but modern pressures have shattered that balance. Population growth and the expansion of farms have fenced off traditional grazing routes, restricting herder mobility. Climate change is the final blow, shrinking the available land and water until competition becomes direct,and often violent.
As traditional methods of resolving disputes break down and state governance weakens, these local conflicts fester and grow. This instability creates a vacuum that violent extremist groups are adept at exploiting, further unraveling the social fabric.
The Human Cost: A Deepening Food Crisis
The result of this converging crisis is a humanitarian catastrophe. In 2024, over 38 million people in the Sahel and West Africa faced acute food insecurity. In the five central Sahelian countries alone, more than 10 million people faced severe hunger in mid-2023, with nearly a million in emergency conditions.
Child malnutrition has reached terrifying levels. In 2022, an estimated 6.3 million children in the central Sahel needed treatment for wasting—a life-threatening form of malnutrition. This represents a staggering 62% increase since 2018. In parts of Mauritania, Niger, and Chad, malnutrition rates have surpassed the "emergency" threshold, putting an entire generation at risk.
A Call for Integrated Action: The Path Forward
The complex crisis in the Sahel demonstrates a clear truth: environmental, security, and development challenges cannot be solved in isolation. Any attempt to address one without considering the others is doomed to fail. To build a stable and resilient future for the region, governments, international partners, and local communities must work together on integrated solutions.
Here are the key areas for action:
Strengthen Climate Adaptation: Establish specialized training centers to promote drought-resistant farming, conservation irrigation, and improved seed varieties. Partnering with research bodies like the International Center for Agricultural Research in the Dry Areas (ICARDA) can accelerate this progress.
Integrate Climate Risk into Policy: National security and development plans must incorporate climate emergency scenarios. This means building strategic food reserves and linking relief efforts to social support programs that protect the most vulnerable families, in coordination with partners like the World Food Programme (WFP).
Mobilize International Finance and Partnerships: We need large-scale, joint initiatives, such as projects to plant windbreaks and expand green belts to combat desertification. These efforts must be paired with farmer-friendly financing to promote sustainable land use.
Empower Local Communities: The people on the front lines of this crisis hold the keys to many of its solutions. Establishing and supporting local environmental committees, and ensuring the meaningful participation of women and youth, will lead to more effective and inclusive decision-making.
Understanding the intertwined dynamics between climate change, conflict, and food security is the first step. The next is to act with the urgency and coordination this complex threat demands. The future of millions depends on it.
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