Climate change could cost more than $ 100 billion a year , the UN panel of experts said . Score: 6 The report is the second part of the IPCC 's benchmark assessment of climate change .
Climate change could cost more than $ 100 billion a year , the UN panel of experts said . Experts say the bill could be much higher if emissions continue at the current pace . The report is the second part of the IPCC 's benchmark assessment of climate change .