Oxford Companion to the Politics of the World (2012), explains that the concept of security started to change after the end of the Cold War and not it includes a new additional element, which is "the protection of the environment from irreversible degradation by combating, among other things, acid rain, desertification, forest destruction, ozone pollution, and global warming. ... The term "ecological problems"" can include a large number of issues. ... Moreover the cultural and religious difference have exacerbated the conflict and nowadays violent episodes between the immigrant minorities an...

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