The effects of lumbering for wood will increase co2 ( carbon dioxide ) in the air as the trees cannot photosynthesis to absorb co2 and produce oxygen for us to breath
A little co2 is good as it traps heat for us to survive on earth , too much can cause global warming which ice will melt and flood the places . So it has to keep a balance . Another effect of lumbering is that animals will lost their habitats
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