"We know that 80% of emissions are generated within the G20. That is the very, very clear starting point" says a senior UN climate official after an IPCC report on climate change shows that the window to meet the goal of a 1.5-degree Celsius global warming limit is narrowing. "The technology, the financial capacity to address the crisis resides there" adds Simon Stiell, head of the United Nations Framework Convention on Climate Change (UNFCCC). IMAGES AND SOUNDBITES