amy: camara phyllis jones, thank you for being with us.will do part two and posted on democracynow.org. family physician and epidemiologist, currently the evelyn green davis fellow at the radcliffe institute for advanced study at harvard university, and a past president of the american public health association. narrator: on this episode of "earth focus," the illegal lumber trade is a multi-million-dollar business spanning the globe. in the northwest united states, scientists are using innovative methods to stop lumber from enentering ththe country, w whin brazil, violent clashes have erupted at the source, where indigenous groups are trying to stop poachers from decimating their forest.