http://jrscience.wcp.muohio.edu/FieldCourses00/PapersCostaRicaArticles/Final.MethodsandEffectsof.html
This article explains the different methods of rainforest destruction and the effects of it.  Some of the effects it speaks about are higher albedo, climate changes, changing the hydrological system, and greenhouse gases.  Rainforests are very important to our planet and are being destroyed at a very hight rate.  The destruction of rainforests could eventually cause some huge problems for our planet.