Physorg: Oil palm cultivation is a significant driver of tropical forest destruction across Southeast Asia. It could easily become a threat to the Amazon rainforest because of a proposed change in Brazil’s legislation, new infrastructure and the influence of foreign agro-industrial firms in the region, according to William F. Laurance, senior scientist at the Smithsonian Tropical Research Institute in Panama. Laurance and Rhett A. Butler, founder of environmental science Web site Mongabay.com, …