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29 January 2011

  • 23:3723:37, 29 January 2011 diff hist +13,380 N Emissions TradingCreated page with "===Emission Trading Scheme: a way to reduce the climate change and the effects of the global warming === =====First version of the case study===== ====How effectively and safe is..."

23 January 2011

22 January 2011

15 December 2010

13 December 2010

12 December 2010

6 December 2010

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