San Francisco Chronicle: Unilever, the world’s largest buyer of palm oil, would publicly call for a moratorium on deforestation by Indonesian growers of the coveted oil used in food, soaps, detergents, cosmetics and biofuel. The expansion of oil palm plantations is slowly destroying Kalimantan, the Indonesian side of Borneo and the habitat of the endangered Bornean orangutan, environmental activists say. During the past two decades, an estimated two million acres have been felled annually in Borneo, which …