CHRISTOPHER BENDANA FROM tree-planting drives to tighter laws on illegal logging, countries worldwide are searching for a silver bullet to stop the loss of forests vital for nature and climate protection. After decades of losing thousands of hectares each year, Uganda has found a way not only to slow deforestation but to reverse it - mainly by helping people grow their own trees to cut down instead of clearing ecologically valuable rainforest. New data released by the state-run National Forestry Authority (NFA) in May showed the proportion of the country covered by trees rose from 9% in 2015 to 12.4% in 2017.…