Climate Migration! The next global crisis?

 Climate Migration! The next global crisis? 

Mamta Kotali (Mentee)
Dr Pratima Mishra ( Mentor)
Associate Professor
H. G. M. Azam college of education
Dr P A Inamdar University, Pune, Maharashtra.

  

                                        

Driven by environmental unhabitability rather than choice, this crisis threatens to destabilize regions, trigger geopolitical conflict, and worsen poverty, particularly in Sub-Saharan Africa, South Asia, and Latin America.

Key Aspects of the Climate Migration Crisis:

• Scale of Displacement: The World Bank estimates over 140 million internal climate migrants by 2050 across key developing regions. Other estimates suggest up to 1.2 billion people globally could be displaced by 2050 due to ecological threats.

• Primary Drivers: Slow-onset climate changes like rising sea levels, desertification, and water scarcity, along with sudden disasters such as floods and hurricanes, make regions uninhabitable.

• Regional Hotspots: Sub-Saharan Africa is expected to see the highest numbers (up to 86 million), followed by East Asia and South Asia.

• "Invisible" Displaced Persons: Many climate migrants lack legal recognition under international law (they are not formally considered "refugees"), leaving them without legal protection or support systems.

Why it is a Global Security Crisis

Resource Competition: Migration caused by drought and lack of arable land can exacerbate conflicts over scarce resources in receiving areas.

Regional Instability: While most migration is internal, large-scale movements can cross borders, putting pressure on infrastructure and services in neighboring regions.

Urbanization Pressures: Many migrants move to already crowded cities, straining existing urban services and creating new economic challenges

   Current Challenges and Action:         

Lack of Legal Protection: There is no comprehensive international agreement on the rights of climate-driven migrants.

Focus on Adaptation: Experts emphasize the need for long-term adaptation strategies, such as developing drought-resistant agriculture and building resilient infrastructure, to enable people to stay in their homes.

Targeted Aid: Sustainable development aid for vulnerable regions is needed to minimize the “need” for forced migration

Climate migration is increasingly recognized as a defining global crisis of the 21st century, projected to displace hundreds of millions of people by 2050 due to sea-level rise, desertification, and extreme weather. As of early 2026, climate shocks are intensifying, with global temperatures likely to remain near record levels from 2025–2029, exacerbating vulnerabilities in regions. like the Sahel, South Asia, and Pacific Islands.   

 Legal and Policy Frameworks Governing Climate Migration. 

Despite the growing scale of climate-induced displacement, there is no comprehensive international legal framework specifically addressing the rights and protections of climate migrants. Existing frameworks are fragmented and insufficient to address the unique challenges posed by climate migration. 

The 1951 Refugee Convention provides legal protections for refugees but does not recognize environmental factors as grounds for seeking asylum. Attempts to reinterpret the Convention to include climate-induced displacement have been largely unsuccessful due to resistance from states concerned about expanding their obligations. 

The Rising Scale of Climate Migration

Climate migration is not a future problem; it is already happening on a significant scale. As the impacts of climate change intensify, the number of people forced to migrate is expected to rise dramatically. 

More than 170 million people may be internally displaced worldwide by 2050 due to slow-onset impacts of climate change under pessimistic scenarios, according to recent data from Statista (2023). The World Bank’s 2021 Groundswell Report projects that, by mid-century, up to 216 million people could become internal climate migrants across six regions – Sub-Saharan Africa, South Asia, East Asia & Pacific, North Africa, Latin America, Eastern Europe & Central Asia – if global warming continues unabated. Sub-Saharan Africa is expected to see the highest number of internal migrants at an estimated 86 million by 2050. 

Most current climate migration occurs within national borders. For example, rural populations in Bangladesh migrate to urban centers like Dhaka due to flooding and salinity intrusion. 

 Conclusion 

Nevertheless, the conclusion is that natural systems around the world are being affected by regional climate changes, particularly temperature increases, and that these temperature increases are very likely to be the result of anthropogenic emissions of greenhouse gases