|View all Articles, Publications, or Sources|
Our Forests, Our Future: Report of the World ....Cambridge, UK: Cambridge University Press, 1999.
|APA:||(APA style citations are not yet implemented.)|
|Eight thousand years ago, before people began to clear land on a broad scale, more than 6 billion hectares, or around 40 percent of the planet's land surface, were covered with forest. Today, Earth's tattered cloak of natural forests (as opposed to tree plantations) amounts to 3.6 billion hecares at most.||deforestation ecosystem|