Trees for the Future, which has encouraged African farmers to plant biodiverse forest gardens that have restored an area seven times the size of Manhattan in less than a decade, aims to create 230,000 jobs and plant a billion trees by 2030. It was recently named a World Restoration Flagship by the United Nations Environment Program. Inside a protective exterior wall of three ranks of Acacia polyacantha are quick-growing agroforestry trees that can be used for firewood and fodder planted around a mix of vegetable gardens and orchards of mangoes, avocados, oranges, apples and other fruits. The aim is to feed a family and provide a small surplus crop to sell at the market. “We work with the farmers for four years," says Kenya director Vincent Mainga. After that, they can understand all the components and they can use what they learn from our technicians to produce thriving farmlands, usually with a surplus.”

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