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18 September 2014
- (diff | hist) . . m IB Environmental Systems and Societies; 22:20 . . (-14) . . Ixfd64 (Reverted edits by 220.127.116.11 (talk) to last version by Nastoshka)
- (diff | hist) . . IB Environmental Systems and Societies; 22:19 . . (+14) . . 18.104.22.168 (→Topic 3: Human population, carrying capacity and resource use)