For a fuller elaboration of the principles see Kim (1992), Harding & Shambaugh (1987), and Zhu (2008). And while the G77 is far from unified on all issues,119 China takes its leadership role within the group seriously - not least by offering support for many of the smaller countries. Although inconsistent across sessions, China has sometimes compromised its own negotiating position in order to remain consistent with the broader group line.120 Consequently, in the practice of foreign policy, while China's emissions profile demands it take a more active and more "responsible" stance in the international negotiations, China's image of itself as a developing country - with matching interests and coherent allies - is not likely to wane any time soon. This goal that was formalised in the Cancun Agreements in December 2010 and is further covered by domestic legislation under the twelfth five-year programme (2011 to 2015].