In 2009 the Institute for Global Environmental Strategies conducted research into the use of forest certification as an instrument to assist communities manage forests for multiple purposes. Nine communities that are certified under The Forest Management and Production Certification Service across the country were examined and Yalu was described as the most affluent and the only village with electricity. In Yalu, the "Mamas Group" receives K200 per day for moving timber, thich they do 4-5 times per year although they can earn more by selling garden produce, cocoa and copra.
