Please analyze the graph. What is the performance trend for each index? Is CDLI a risk management strategy?

100 Return over Q4 2005 baseline (%) 60 9 O 02 2006 04 2006 02 2007 04 2007 02 2008 042 -40 Source Carbon Disclosure Project Verlich Aly 04 2009 02 2010 04 2010 02 2011 04 2011 02 2012 CDL Index Global 500 Index