Encyclical letter «Caritas in Veritate» of the supreme Pontiff Benedict XVI given in Rome on June 29, 2009 addresses social teaching of the Church and it is - particularly Chapters: II Human Development in Our Time, III Fraternity, Economic Development and Civil Society, and IV Development of People, Rights and Duties, The Environment - very relevant for our discussion about the current crisis.
http://www.vatican.va/holy_father/benedict_xvi/encyclicals/document