New report assesses vulnerability of different nations to climate change effects . But , as recent back-to-back batterings from typhoons has shown , it is very vulnerable to climate change and has the highest exposure to extreme weather of the top 20 fastest growing cities in the world , according to the report . Areas with fastest growing populations most at risk from environmental impacts . Score: 6 United Nations launch youth focus on eve of seventh billion population milestone .
New report assesses vulnerability of different nations to climate change effects . Areas with fastest growing populations most at risk from environmental impacts . Score: 6 United Nations launch youth focus on eve of seventh billion population milestone .