Proceedings of the First International Symposium on Environment Management and Planning, Battaramulla, Sri Lanka, 23-24 February 2015 - Gunawardena, J.; Muthuwatta, Lal P.; Fernando, M. J. J.; Rathnayake, S.; Rodrigo, T.M. A. S. K.; Gunawardena, A. (Central Environmental Authority (CEA), 2015)