What source of pollution threatens Appalachia more than any other? Coal mining. The website of Appalachian Voices (AV) showcases an award-winning non-profit organization that aims to reduce the impacts of coal on "the land, air and water of central and southern Appalachia." The organization "empower[s] people to defend [the] region's rich natural and cultural heritage by providing them with tools and strategies for successful grassroots campaigns." Visitors to the site can read about the half-dozen actions that AV is involved in by clicking on the Campaigns tab near the top of the page. Some of the campaigns include "End Mountaintop Removal," "Wautauga Riverkeeper," and "Wise Energy for Virginia." Visitors interested in reading the current and back issues of The Voice newspaper put out bimonthly by AV can find them under the tab of the same name. AV's other publication is a monthly newsletter titled "The Appalachian Advocate," which contains news about the work of AV. Visitors can sign up to receive the free newsletter by clicking on the link under the News and Reports tab near the top of the page.