After the Cold War, the concept of international security underwent a modification. Among the most important components of such a transformation, the consolidation of 'environmental security', a topic in international security, can be taken into account. Environmental security deal with threats that are not only the unintentional result of social and economic activities but are very slow in comparison with military threats and thus, the timing horizons for necessary political planning to confront them are significantly extensive. This article also reviews the status and role of the environmental threats in creating regional integration using the content analysis method and surveying them. The results indicate that 33/4% of regional integration was created according to the non-geographical variables yet and environmental threats don't play any roles in the so organizations.