Indo-Asian News Service: The climate summit ended in the early hours of Saturday with the collapse of a key deal to pay developing countries to cope with global warming. The senior-most member of the Indian government delegation said: ‘This is one of the saddest moments I have witnessed` during his attendance in 12 such summits. The Dec 1-12 summit of the UN Framework Convention on Climate Change (UNFCCC) in this western Poland city had been stalled for much of Friday over whether industrialised countries …