Read at : Google Alert – desertification
http://www.planetizen.com/node/33922
Preventing Desertification With a Wall of Trees
Officials in Africa have approved a plan to plant a “wall of trees” across the continent to prevent the southward spread of the Sahara desert due to winds and drought.
“The ‘Great Green Wall’ will involve several stretches of trees from Mauritania in the west to Djibouti in the east, to protect the semi-arid savannah region of the Sahel — and its agricultural land — from desertification.”"A plan for the proposed US$3 million, two-year initial phase of the project — involving a belt of trees 7,000 kilometres long and 15 kilometres wide — was formally adopted at the Community of Sahel—Saharan States (Cen-Sad) summit on rural development and food security in Cotonou, Benin, last month (17—18 June).”
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