The Great Green Wall's one of the world's most ambitious eco-projects. Is it working?
Julie BourdinNPR News
It's a global effort with a multibillion dollar price tag. Among its aims: re-greening nearly 250 million acres, planting 4,000 miles of trees, helping farmers, creating jobs, sequestering carbon. (Image credit: Tommy Trenchard for NPR)
It's a global effort with a multibillion dollar price tag. Among its aims: re-greening nearly 250 million acres, planting 4,000 miles of trees, helping farmers, creating jobs, sequestering carbon.
(Image credit: Tommy Trenchard for NPR)
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