Business Mirror: While the world’s leaders are scratching their heads and expensive think tanks wrack their brains trying to find answers to global warming and food security, a nongovernment organization here is propagating a solution that hit these two problems at one go, but has not talked much about its successes. Instead, the Philippine Agrarian Reform Foundation for National Development (Parfund) Inc. is letting its ducks do all the “quacking.” Through its Rice-Ducks Integrated Farming …