. . . "Variations of this claim have been made in influential reports on climate change by the IPCC (Brown 2008: 11)[15] and the Stern Review on the Economics of Climate Change (Stern et al. 2006: 3),[16] as well as by NGOs such as Friends of the Earth,[17] Greenpeace Germany (Jakobeit and Methmann 2007)[18] and Christian Aid;[14] and inter-governmental organisations such as the Council of Europe,[19] UN" .