BALI, Indonesia, February 12, 2007 (ENS) - A declaration to protect the forested Heart of Borneo was signed today by ministers from the three Bornean governments - Brunei Darussalam, Indonesia and Malaysia. The agreement will conserve and sustainably manage one of the most important centers of biological diversity in the world, inhabited by endangered orangutans, elephants and rhinos.The agreement ends plans to create the world’s largest palm oil plantation that would have cleared a vast rainforest along Indonesia’s border with Malaysia across the world's third largest island.