The purpose of this paper is to discuss the conceptual framework of people's environmental consciousness (EC) and its influences on the pro-environmental behavior based on analyzing the characters of EC and its influence factors in various countries using the East Asia value survey data collected from 2002 to 2004 by the face-to-face interview. The factors contain two types of variables, one is the attitudinal variable which contains health satisfaction, life satisfaction, trust, and attitudes toward science & technology etc., and the other is the demographic variables including gender, age, education level, household income, and religion etc., have been employed in this research. As results derived from statistical analysis on the relation between people's EC and factors, it has been revealed that the response patterns on EC are definitely different, and the significant factors are also diverse in China, Singapore, South Korea, and Japan.