 Cobb went on to write the first single @-@ author book in environmental ethics , Is It Too Late ? A Theology of Ecology , in 1971 . In the book , he argued for an ecological worldview that acknowledges the continuity between human beings and other living things , as well as their mutual dependence . He also proposed that Christianity specifically needed to appropriate knowledge from the biological sciences in order to undercut its <unk> ( human @-@ centeredness ) and devaluation of the non @-@ human world . 
