"Is American Nature Writing Dead?" The Oxford Handbook of Ecocriticism, ed. Greg Garrard (New York: Oxford University Press, 2014) 391-407.
"U.S. Environmental Literature Before the Twentieth Century." Teaching North American Environmental Literature, ed. Frederick O. Waage, Laird Christensen, and Mark Long (New York: MLA, 2008) 126-38.
"'Academic Air': Teaching The Control of Nature," Coming Into McPhee Country: John McPhee and the Art of Literary Nonfiction, ed. O. Alan Weltzien and Susan N. Maher (Salt Lake City: U of Utah P, 2003) 282-300.
"Gender, Genus, and Genre: Women, Science, and Nature Writing in Early America," Such News of the Land: U.S. Women Nature Writers, ed. Thomas S. Edwards and Elizabeth De Wolff (Hanover, N.H.: UP of New England, 2001) 9-26.
"'Such Pictures and Poems, Inimitable': Nature and Language in Walt Whitman's Specimen Days," Reading the Earth: New Directions in Literature and Environment, ed. Michael P. Branch, Rochelle Johnson, Daniel Patterson, and Scott Slovic (Boise: U of Idaho P, 1998) 179-93.
"Virginia's Blue Ridge Mountains and Shenandoah Valley: A Case Study in Southern Nature Writing" (co-authored with Michael P. Branch), The Literature of Nature: An International Sourcebook, ed. Patrick Murphy (London: Fitzroy Dearborn, 1998) 59-63.
"How Local is Slow Food?" RCC Perspectives 2015.1 ("Think Global, Eat Local: Exploring Foodways," ed. Michel Pimbert, Rachel Shindelar, and Hanna Schösler): 7-12.
"Sustainability and the Humanities: An Extensive Pleasure," American Literary History 24.1 (Spring 2012): 163-179.
"Is Early American Environmental Writing Sustainable? A Response to Timothy Sweet," American Literary History 22.2 (Summer 2010): 432-438.
"Thoreau's Notes on the Journey West: Nature Writing or Environmental History?" ATQ: 19th Century American Literature and Culture 18.2 (June 2004): 105-17.
"Following the Equator to Its End: Mark Twain's South African Conversion" and "Mark Twain in South Africa: A Chronology," Mark Twain Journal 40.1 (Spring 2002): 3-24.
"The Bridge of Words: Encounters with Virginia's Natural Bridge," Southern Cultures 6.3 (Fall 2000): 36-46.
"Poe in the Ragged Mountains: Environmental History and Romantic Aesthetics," Southern Literary Journal 30.2 (Spring 1998): 1-16.
"Virginia's Blue Ridge Mountains and Shenandoah Valley: A Place in the South" (co-authored with Michael P. Branch), Appalachian Heritage 26.1 (Winter 1998): 18-25.
"Camping in the 'Woods': Woodchuck Lodge, Woodstock, Woodland Valley," Viet Nam Generation: A Journal of Recent History and Contemporary Issues 5 (1993): 188-90.
"Edward Abbey's Remarks at the Cracking of Glen Canyon Dam," ISLE: Interdisciplinary Studies in Literature and Environment 11.2 (Summer 2004): 161-66.
"Theodore Roosevelt's 'Sou'-Sou'-Southerly': An Unappreciated Nature Essay," North Dakota Quarterly 64.1 (Winter 1997): 83-92.
"An Interview with Michael Pollan" (co-authored with Capper Nichols), Ecotone: Reimagining Place 3.2 (Spring 2008): 88-100.
"A More Decent Way of Life: An Interview with Scott Russell Sanders," Ruminator Review 14 (Summer 2003): 34-35, 40, 63.
"Ecologies of Love: An Interview with Barry Lopez," Ruminator Review 12 (Winter 2002-2003): 22-25, 47-48.
"A Conversation with Alan Taylor, Winner of the 1996 Pulitzer Prize in History," Early America Review 2.2 (Fall 1997).
"Environment and Environmentalism: An Overview," Encyclopedia of American Studies (Bethel, Conn.: Grolier, 2001) 84-89.
"Nature on Screen," The Review of Communication 2.3 (July 2002): 273-88.
Editor, @sle ONLINE, the website of the Association for the Study of Literature and Environment (1994-2008)
Curator, Landmarks of American Nature Writing from Virginia's Blue Ridge Mountains and Shenandoah Valley, University of Virginia Library exhibit (online since 1997)