A new study shows the past 20 years of forest regeneration and reforestation efforts globally have contributed to the restoration of carbon sinks
Planting trees in Africa is proposed by some as a quick fix for climate change. But local experts disagree — and say their voices are being sidelined
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/ 29 October 2008
The idea was simple: to counter the threat of creeping desertification in Africa through a Great Green Wall of trees spanning the continent.