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POPSThe Billion Tree Campaign bas become a practical expression of private and public concern over globa
Tree planting remains one of the most cost-effective ways to address climate change. Trees and forests play a vital role in regulating the climate since they absorb carbon dioxide – containing an estimated 50% more carbon than the atmosphere. Deforestation, in turn accounts for over 20% of the carbon dioxide humans generate, rivaling the emissions from other sources. Trees also play a crucial role in providing a range of products and services to rural and urban population, including food, timber, fiber, medicines and energy as well as soil fertility, water and biodiversity conservation. "The Billion Tree Campaign has not only helped to mobilize millions of people to respond to the challenges of climate change, it has also opened the door, especially for the rural poor, to benefit from the valuable products and services the trees provide", said Dennis Garrity, Director-General of the Nairobi-based World Agroforestry Centre.
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