Napa Valley, a world-famous symbol of American excellence in wine, is threatened by too much of a good thing. Ever-increasing wine production has inflicted damage on the region’s economy and ecology. The industrialization of Napa has resulted in the loss of 95 percent of the oak trees that once covered the valley, and now locals are organizing to protect the area. “With great success came great money and outsiders,” Napa expert and journalist James Conaway told the Guardian.