land management and planning 388 land 378 waste management 364 marine ecosystem 363 marine pollution 361 sustainable development 360 coast protection 359 coastal environment 359 sea resource 358 sea water protection 358 natural resource 345 environmental management 344 environmental assessment 336 land use 301 management of natural resources 286 land development 284 land conservation 283 waste dumping 282 waste treatment 282 coastal ecosystem 281 land pollution 281 marine conservation area 281 marine fauna 281 ecosystem 280 natural resource conservation 280 waste analysis 280 waste collection 280 waste disposal 280 waste legislation 280 waste prevention 280