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Related to deforestation: global warming
tr.v. de·for·est·ed, de·for·est·ing, de·for·ests
1. To cut down and clear away the trees or forests from.
2. To destroy the trees or forests on: hillsides that were deforested by drought.
de·for′es·ta′tion (-ĭ-stā′shən) n.
The cutting down and removal of all or most of the trees in a forested area. Deforestation can damage the environment by causing erosion of soils, and it decreases biodiversity by destroying the habitats needed for different organisms.