c) improving the performance of existing networks; d) making greater use of new technology, especially satellites and other remote sensing applications; e) overcoming gaps in the regional telecommunications network; f) improving the flow of information; g) improving the monitoring and performance of existing telecommunications systems: and h) updating existing meteorological and climatological data processing systems. 3. Member States shall improve public and specialised weather services by a) increasing liaison with users and increasing their capability to tailor, package and deliver services; b) training and education of users to ensure effective utilisation of services and improved definition of user requirements; c) introducing new delivery systems and technology; and d) emphasising the development of graphical products. 4. Member States shall promote sustainable development with the emphasis on climate change and protection of the environment by a) strengthening the capabilities of national meteorological centres in climate applications and advice; b) enhancing existing environmental monitoring activities; c) optimising the use of regional structures; and d) fostering an awareness of the contributions which can be made by national meteorological centres to planning sustainable development in agriculture forestry and related areas. ARTICLE 12.7 HUMAN RESOURCE DEVELOPMENT, RESEARCH AND SCIENTIFIC CO-OPERATION 1. Member States shall develop programmes to train operational meteorologists, research meteorologists and instrument maintenance technicians for both conventional meteorological and computer-based electronic equipment in conformity with the WMO Education and Training Long Term Plan. 2. For the purposes of paragraph 1, Member States shall investigate the need for the establishment of a training centre which may be designated as a WMO Regional Training Centre on the basis of criteria set out in Appendix D of the WMO Technical Regulations on