The environmental concern dates from the late 1960s (Easterling et al., 1996). This decade is considered as the moment of the rise of the modern environmental concern. Its development continued across the 1970s with some tangible actions such as the first Earth Day celebration in order to put environmental issues in the front page (Makower, 1993). In the meantime, governmental mechanisms were formed as The United States Environmental Protection Agency, as well as several landmark legislative initiatives and policies emerged to address environmental public issues such as Clean Air Act (Shabecoff, 1993). During the 1980s, the green awareness was evident due to the contingency of the environmental disasters (Titterington et al., 1996). Later,