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United Nations Environment Programme ,  [Talk the walk: advancing sustainable lifestyles through marketing and communications] ,  Talk the walk: advancing sustainable lifestyles through marketing and communications

United Nations Environment Programme ,  [Communicating sustainability: how to produce effective public campaigns] ,  Communicating sustainability: how to produce effective public campaigns

United Nations Environment Programme ,  [Environmental reporting for African journalists: a handbook of key environmental issues and concepts] ,  Environmental reporting for African journalists: a handbook of key environmental issues and concepts