摘要
概述了世界及我国的酸雨和臭氧污染状况及其对森林的危害情状,综述了酸雨和臭氧等大气污染引起森林衰退原因的各种假说。
This paper gives a brief account of the situation of acid rain and ozone pollution in our country and the whole world,and also its effect on the forest. Besides,it summarizes different kinds of hypothesises for the reasons that air pollution of acid rain and ozone causes forest declining.