Increased local and regional conflict, humanitarian disasters, environmental deterioration, economic pressures and social change all call for a global effort in their solution, since they are problems which cross the borders of individual states.

• 地方及区域冲突、人道主义灾难、环境恶化、经济压力和社会变革，都已加剧，需要通过全球努力加以解决，因为这些问题跨越国界。