With the global climate warming, the nations of the world be affected to varying degrees. However, the countries on how to respond, and has not yet been asked. United Nations Intergovernmental Panel on Climate Change require scientists to deal with climate change will be the ability to respond to the countries ranked, and the United States, Columbia University International Earth Science Information Network Centre's research staff from another angle on a national ranking of countries by climate change level of preparedness.
  
     Consider this ranking countries in terms of geographical factors on exposure to climate warming as well as the extent of their exposure to such threats capacity (such as long coastline makes this country more vulnerable to the threat of sea-level rise).