What do we clear out to make room for the tree farms and what is their long term effect on the environment? http://www.ibiblio.org/london/agriculture/general/1

What do we clear out to make room for the tree farms and what is their long term effect on the environment? http://www.ibiblio.org/london/agriculture/general/1/msg00074.html http://www.ibiblio.org/london/agriculture/general/1/msg00074... http://www.alternet.org/hot-news-views/why-tree-plantations-are-problem-not-solution http://www.alternet.org/hot-news-views/why-tree-plantations-... (not to say a limestone quarry is a better solution...)