Who owns the rain forest?
Another "commons" being chewed up by people who have everything to gain by using it up, and nothing to gain by conserving.
It doesn't help that Brazil has been heavily subsidizing these operations, either. Some of the problems are described in this article.
Note some of the parallels to the U.S. government allowing use of Federal lands for far less than market value. A private owner of these resources would not allow this.
It takes a rich nation to take valuable resources and just set them on the shelf. Hopefully, Brazil is heading into this category.