Africa Builds 8,000km 'Wall of Trees' to Fight Climate Change
GS2Polity · Governance · IR· Policies of other countries affecting India· Prelims + Mains·
Why in news
The African Union's Great Green Wall initiative is gaining global attention as a massive ecosystem restoration project to combat desertification and climate change in the Sahel region.
Background
The Great Green Wall is an 8,000 km initiative launched by the African Union in 2007. It aims to restore 100 million hectares of land and capture 250 million tonnes of carbon dioxide by 2030.
Facts for Prelims
- Intl. orgGreat Green Wall: An initiative by the African Union to combat desertification in the Sahel region.
- FactTarget by 2030: Restore 100 million hectares of land and create 10 million green jobs.
- FactCarbon sequestration target: 250 million tonnes of CO2 by 2030.
- PlaceSahel: The semi-arid region in Africa where the initiative is primarily implemented.
For Mains
Q. Discuss how large-scale ecosystem restoration projects like the Great Green Wall can serve as a model for addressing desertification and climate-induced food insecurity in arid regions.
Dimensions to cover in your answer
- Ecological restoration: Reversing land degradation through native vegetation and wetland revival to stabilize soil moisture.
- Transboundary cooperation: Coordinating land restoration across 20+ African nations to manage shared ecological corridors.
Keywords: Desertification · Ecosystem Restoration · Carbon Sequestration · Climate Resilience · Sahel Region
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