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"It's been a couple of years since the still-planned and so-called  Great Green Wall of Africa graced the pages of TreeHugger, so here's a quick update and overview: As the BBC reports, African leaders are meeting in Chad to further push the"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/natural-sciences/africas-great-green-wall-hopes-to-stop-the-spreading-sahara-if-it-ever-gets-planted.html>