Effects of Deforestation. The United States Environmental Protection Agency defines deforestation as the "permanent removal of standing forests." The removal. Deforestation not only affects the climate by increasing the atmospheric level of carbon dioxide but also affects the environment by inhibiting. Deforestation, the permanent destruction of forests in order to make the according to GRID-Arendal, a United Nations Environment Program. Effects of deforestation Looking at the importance of forests and trees in the previous pages, you can deduce the massive effects of deforestation and tree-cutting activities. Sites We Like U. Scott has a biochemistry degree from UCSB with research experience and has a passion for science as well as writing. Healthy Forests Start with You Pachamama Alliance's 2-Hour online course, Awakening the Dreamer, is a transformative educational program that explores the challenges facing humanity at this critical moment in time and the opportunities we as a human family have to create a new future. The country with the most deforestation is Indonesia. Does Plantation Forestry Restore Biodiversity or Create Green Deserts?