Richard Ingwe, et al. “Ecocentric and Anthropocentric Policies and Crises in Climate Environment, Finance and Economy: Implications of the Emerging Green Policy of the Obama Administration for Africa’s Sustainable Development”. African Journal of Environmental Economics and Management, vol. 1, no. 1, Aug. 2013, pp. 1-12, https://elixirpublishers.in/index.php/ajeem/article/view/1008.