IPF noted that airborne pollution was negatively affecting forest health in many parts of the world. It encouraged countries to adopt preventive approaches and to strengthen international cooperation to address the problem.
3. 森林小组注意到气载污染对世界许多地区的森林健康产生了不利影响，它鼓励各国采取预防手段，加强国际合作，解决这一问题。