Business Green: Negotiators from more than 170 nations meet in the German city of Bonn today at the first round of international climate change talks since last year’s Copenhagen Summit ended in diplomatic recriminations and widespread disappointment. The hastily convened meeting was organized after a number of countries, including the UK, called on the United Nations Framework Convention on Climate Change (UNFCCC) secretariat to organise an extra summit ahead of the next scheduled round of talks in …