In Kenya, a tree planted to halt desertification has reportedly spread across 2 million hectares; experts say about 75% of the country is at risk
Mathenge trees were planted in Kenya to hold back the desert. Now they reportedly cover 2 million hectares, and about 75% of the country could host them.
We haven't written up this one. Hindustan Times - World News has the full story — the link below goes straight to it.