While delegates at the COP27 climate conference discuss the shared problem of climate change, each country will face its own challenges and threats. In February, the U.N. climate science agency released a major report on adapting to a warmer world - and detailed how that effort would differ from place to place. While some countries see glaciers melt or coastlines rise, others will contend mostly with raging wildfires and extreme heat, the report by the Intergovernmental Panel on Climate Change said.