One focuses on the architecture of a new global climate treaty that would take effect after 2020, when the current Copenhagen commitments expire. (scientificamerican.com)
Countries have set a deadline to agree a new global climate treaty at a conference in Paris this December. (carbonbrief.org)
The next round of focused negotiations for a new global climate treaty (within the 1992 UNFCCC process) needs to begin in December 2007 and be completed by 2009. (dotearth.blogs.nytimes.com)