Common methods of deforestation are burning trees and clear cutting, which is the controversial practice of complete removal of a given tract of forest. A forestry expert quoted by the Natural Resources Defense Council describes clear cutting as "an ecological trauma that has no precedent in nature except for a major volcanic eruption."
Burning can be done quickly, in vast swaths of land for plantation use, or more slowly with the slash-and-burn technique. This destructive practice entails cutting down a patch of trees, burning them, and growing crops on the land until the soil becomes too degraded from overgrazing and sun exposure for new growth. Then, the farmers move on to a new patch of land.