Tree Hugger
The article was orginally published at: Could Bacteria-Filled Balloons Stop the Spread of the Sahara? Architect Magnus Larsson Thinks So

photo: Istvan Vass via flickr
Nearly a year ago a “Great Green Wall” of trees was proposed to run across the entire southern border of the Sahara desert in an attempt to stop expanding desertification. At the TED Global conference in Oxford, England, architect Magnus Larsson proposes…
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