By 2004, there were 200,000 acres in Tennessee where all the trees had been logged to meet the world's demand for paper products. This land was replanted with fast-growing pine trees to get wood more quickly. The forest in this region is one of the most species rich in North America. However, where only pine is planted, 90 percent of these species disappear.

If you go into forestry, you'll have to balance growing trees for wood products with preserving the variety of living things in an area. To meet challenges like these, you'll have to combine ideas from the life, physical, and social sciences and be a strong communicator.