70-80% of atmospheric oxygen comes from ocean life [0]. I'm not that worried about trees - especially since a vast majority of logging comes from forests that a

70-80% of atmospheric oxygen comes from ocean life [0]. I'm not that worried about trees - especially since a vast majority of logging comes from forests that are maintained with the intent of logging [1]. Areas are cleared, new trees planted, and areas are harvested in cycles. [0] http://www.ecology.com/2011/09/12/important-organism/ http://www.ecology.com/2011/09/12/important-organism/ [1] https://en.wikipedia.org/wiki/Sustainable_forest_management https://en.wikipedia.org/wiki/Sustainable_forest_management