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spec: Five themes will be emphasized : 1 ) discourses and narratives on global environmental change ; 2 ) environment and development and the North-South divide ; 3 ) globalization and environmental change ; 4 ) human security perspectives ; and 5 ) political and social responses to environmental change . Actually , the protocol can be improved to support the more dynamic bandwidth requirements of IP traffic by incorporating efficient dynamic bandwidth request mechanisms like piggybacking and minislots . This design is far more content-centric , looking more like a traditional newspaper than the previous grid layout . While wireless carriers may include and enforce credit requirements , early termination fees , and similar contractual provisions in their customer agreements , carriers may not refuse to port numbers upon receipt of a valid request from the customer 's new carrier . The aftermath of Katrina has changed the dynamic of New Orleans forever . Having difficultly accessing the vagina and cervix , Sims arrived at the idea for his speculum . Jouvenel believes this is the central dynamic of the modern world , the rise of the State to a position where it is not merely powerfully authoritative but sovereign , claiming a " legitimate " monopoly of " coercion " in a community . In addition , the Study noted that space is a critical issue for many passenger vessels , especially where " passenger capacity is determined by available seating . But it survives severely disabled , having lost in a single blow the nation with a quarter of the world 's economic product , a preponderance of the world 's communication capabilities , some of the world 's finest academic institutions , the world 's most dynamic scientific community , and ( for better or worse ) the most innovative and imitated culture on the planet .