維蘇威火山劇烈燃燒 義大利緊急動員多線作戰 - 國際 - 自由時報電子報Fire and floods are just two examples of how extreme weather is going to cause major impact on economy...food supply is going down and livable area smaller and more expensive to maintain -- it is going to be a hard world and in coming years many countries will have to make hard decisions