Business Green: One of the many challenges faced by the long-running UN climate change negotiations is the difficulty of working out precisely where countries stand. A few negotiating teams are admirably consistent in their positioning, be it the progressive calls for action from the likes of the Maldives or Norway, or the repeated obstruction offered by Saudi Arabia and Canada — you might not like their stance, but at least you know what to expect. However, for the vast majority of countries it is often…