"The Triple Aim: Care, Health, And Cost" by Donald Berwick, Thomas W. Nolan and John Whittington in "Health Affairs", Volume 27, No. 3 (pp. 759-769), May/June 2008.
"Spotlight: Yann Arthus-Bertrand, cinematographer and Goodwill Ambassador for the United Nations Environment Programme". UN News Centre Interview, www.un.org. February 7, 2011.