We are joined by Pastor Mark Musser, author of the book Nazi Oaks : The Green Sacrifice of the Judeo-Christian Worldview in the Holocaust, who explains how the worldview of the Nazis, which led to the abominations of the Holocaust, was deeply-rooted in the ecological undercurrents of the anti-Semitism, anti-theism, and anti-humanism of the early German green movement. Gathering together the strands of a bewildering number of influences, from Romanticism to existentialism and Social Darwinism, this ecology served to rationalise (in their eyes) and invigorate their racist and eugenicist 'purification' of land and people ...