The purpose of this study is to explore college studentsperception on global climate change in China and Canada by conducting online investigation at Chongqing University of China and Brock University of Canada.It used the comparative method and T test to analyze the similarities and differences of the two country studentsperception.The results show that the students from two counties have similar views on the basic perception of climate change,that is,climate change is one serious global issue and it needs the developing and developed countries to deal with in the future.There is a significant difference in some views,mainly in China college studentsperception on climate change being consistent with Chinas developing conditions while Canadian students are based on the global level of perception.