The Great Green Wall Initiative is an ambitious effort to combat the effects of climate change in Africa. The initiative seeks to create a wall of trees and vegetation stretching across the continent from Senegal in the west to Djibouti in the east, spanning 8,000 kilometers. The project aims to
The Great Green Wall or Great Green Wall for the Sahara and the Sahel is a project adopted by the African Union in 2007, initially conceived as a way to combat desertification in the Sahel region and hold back expansion of the Sahara Desert, by planting a wall of trees stretching across the entire Sahel from Djibouti City, Djibouti to Dakar, Senegal. The original dimensions of the "wall" were to be 15 km wide and 7,775 km long, but the program expanded to encompass nations in both northern and western Africa. The concept evolved into promoting water harvesting techniques, greenery protection and improving indigenous land use techniques, aimed at creating a mosaic of green and productive landscapes across North Africa. Later it adopted the view that desert boundaries change based on rainfall variations.