CARACAS—According to a new ECLAC document launched yesterday, Latin American countries must review and strengthen institutions and instruments to maximize the contribution of natural resources to regional development, particularly in the current cycle of high prices. The report Natural resources within the Union of South American Nations: Status and trends for a regional development agenda was presented by Antonio Prado, Deputy Executive Secretary of this United Nations regional commission, at the Conference of the Union of South American Nations on Natural Resources and Integral Development in the Region, which is being held in Caracas, Venezuela.