[00:00.000] 作曲 : Makeup and Vanity Set[00:22.000]Ah,I am convinced that the Prophets of Doom have got to be taken serious.[00:26.500]In other words,Doom’s day is a possibility.[00:29.500]I'm equally convinced that Doom’s day is not inevitable.[00:32.000]It has become apparent (ah) that today man's own activities have reached the scale where they are the principal determinants of his own future.[00:44.000]For example,we are now ,today,effecting more changes-[00:50.000]in composition atmosphere,composition waters of the world,and even composition certain elements in our food chain.[00:57.500]And we are making more changes in one generation than have been made in millions of years of human evolution.[01:03.500]We don’t know excatly what will the ultimate impact of these changes.[01:08.000]But (they) we will do know that many of them are irreversible-[01:10.500]And many of them could be decisive in (if) their effects on man's future.[01:17.500]人声采样来自1972年BBC采访Maurice Frederick Strong(已逝)[01:23.500]…… ……