Climatechangeisnolongeradoomsdayprophecy,it'sareality;aswasthecaseinthe2004Indian-Oceantsunamithatkilledsome300,000people.Globalwarmingisoneofthecontributingfactorstoclimatechange,andthemajorcauseofglobalwarmingisthegreenhousegasemission.

　　Atpresent,itisstillimpossibletopredictsocialandpoliticalconsequencesbasedonabroadrangeofpotentialclimate-changeoutcomes,butcountriesallovertheworldareseriouslylookingattheneedforintensifiedcooperativeeffortstoaddressclimatechangebecauseitisaglobalissuethatrequiresaglobalsolution,embracingdevelopedanddevelopingcountriesalike.Priorityareasforactionarescientificresearch,estimatingandmonitoringgreenhousegases,investinginforestryconservation,enhancingenergyefficiencyandpromotingenvironmentaltechnologies.

　　Meanwhile,itisadvisabletotakeearlierpreventivemeasures,puttingearly-warningsystemsinplace,andworkingwithrelieforganizationswellinadvancetostemoutproblemsbeforedisasterstrikesagain.