48 % is subsistence farming. 32 % is commercial agriculture. 14 % is logging. 5 % is fuel wood removals. 1 % other causes Atmosphere the climate and geography. global warming. greenhouse effect. Hydralogical The water cycle much drier climate. landslide, erosion and flooding ensue. reforestation In many parts of the world Especially Asia 1 million hectars in 5 years The arbor day foundation Economics Shortterm economic gains. Loss in longterm. Illigal woodcutting. History Easter island 11001500 AD Wester Europe Massive use of charcoal. Steam engine and steamboats. References http://environment.nationalgeographic.com/environment/globalwarming/defores http://en.wikipedia.org/wiki/Deforestation http://wwf.panda.org/about_our_earth/about_forests/deforestation/ Thank you for listening !