thank you for taking the time tojoin us here on the bbc, david sandalow.chinese counterparts held hours of talks but failed to come up with any new climate agreements. do you see that as a setback? absolutely not. this is the first time that secretary kerry had met with his counterpart in person in almost a year. i don't think it is an expectation of major breakthroughs or announcements. the good news is that normal climate diplomacy has been restored between the two countries. there are a lot of difficult issues to be sorted out and the fact that the two negotiators are now able to meet is very important. they will get to work and deliver some announcements in the months ahead. but what does it say about the current state of the relationship that they weren't able to come up with anything concrete? well, the fact that they were able to come up with anything concrete in these meetings is no surprise. these, as ijust said, were the first meetings on a long time. more broadly the state of the relationship is extremely troubled. it is, i would say, greater te