Ghana in Search of Regional Integration Agenda 181 fisheries. The main objectives are to ensure food security, increased productivity, improved conditions for farmers and the protection of export commodities on the international market. The policy also aims to promote the integration of production structures for which Member States are required to co-operate in a number of critical areas, including: the harmonisation of agricultural development strategies and policies particularly pricing and price support policies on the production, trade, and marketing of major agricultural products and inputs, the harmonisation of food security policies and the adoption of a common agricultural policy in the fields of research, training, production, preservation, processing and marketing of the products of agriculture, forestry, livestock and fisheries. In the field of Industry, Science and Technology and Energy, Member States are similarly called upon to harmonise their policies, paying attention to strengthening the industrial base of the Community, ensuring the promotion of medium and small­scale industries, strengthening their national scientific and technological capabilities, harmonising their national policies on scientific and technological research and their policies and programmes in the field of energy. In the field of environment and natural resources, Member States are required to undertake to protect, preserve and enhance the natural environment of the region by adopting policies, strategies and programmes at national and regional levels. They are required also to harmonise and co-ordinate their policies in the field of natural resources. The policy of Co-operation in Transport, Communications and Tourism articulates the desire of ensuring the harmonious integration of the physical infrastructure of Member States and the promotion and facilitation of the movement of persons, goods and services within the Community. ECOWAS Trade Policy hinges on the following: removal of all tariff barriers to trade; establishment of a common customs union; establishment of a common external tariff; and abolition of all custom duties and taxes of similar effect. Article 51 of the Revised Treaty, in articulating the policy on Money, Finance and Payments, calls for the promotion of monetary and financial integration, the facilitation of intra­Community trade in goods and services and the realisation of the Community's objective of establishing a monetary Union. E. Some Challenges Though ECOWAS as an organisation affords a good chance in harmonising integration policies among Member States and thus furthering the integration agenda of these States, several problems and challenges are encountered.