A globally binding climate deal looks increasingly unlikely to be agreed in Durban, UN chief Ban Ki-moon said at the start of ministerial-level talks on Tuesday. What might be achieved still looks hard to predict.
The mood was relatively upbeat on Monday after China said it might be willing to agree to post-2020 binding targets. But its position now looks less certain, with official Xie Zhenhua stressing that any discussions on the issue should wait until 2015.
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