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Human habitation is the main reason or causes of deforestation.
Poor farming practices contributed to desertification of the Sahel. Deforestation is one of the biggest problems, leading to soil erosion.
The main causes of wildlife depletion are global warming. Deforestation is also one major cause.
One threat to the Sahel is that people are slashing and burning trees for to clear land for their annual agriculture.
Deforestation has become a global problem because forest destruction is one of the main causes of global warming. Through photosynthesis, trees and plants remove carbon dioxide from the atmosphere, slowing global warming.
The main one... human greed for wood !
Deforestation is a contributor to global warming, and is often cited as one of the major causes of the enhanced greenhouse effect. Tropical deforestation is responsible for approximately 20% of world greenhouse gas emissions
We pollute which causes acidic rain, deforestation and poaching leads to endangered species and loss of habitats for many animals (deforestation causes the second one) and there are more but that's all I could think of.
Millet is grown in the Sahel because it is a drought-tolerant crop. The Sahel runs the length of Africa as the transition zone between the Sahara and the fertile jungles of southern Africa.
Deforestation is one of the leading causes in death among Tigers. Over the past decade, it's been estimated that over 1,000 Tigers have died for this reason.
A similarity between a Sahel and the savannah is it gets rainfall :)
Sahel has a different climate from savanna,cause it looks like it has a tropical climate.