Why Birds? City Creatures Blog, Center for Humans and Nature, April 25, 2017
The Fall of the Sparrow, City Creatures Blog, Center for Humans and Nature, November 3, 2014
Lux, Lumen, Illumination, City Creatures Blog, Center for Humans and Nature, July 29, 2013
Pullman: A National Park in Chicago?, Metropolitan Planning Council, June 28 2013
Pullman: A National Historic Park in Pullman?, Metropolitan Planning Council Blog, June 28, 2013
“Midewin National Tallgrass Prairie: Putting the Prairie Back in the Prairie State,” Illinois Heritage, Vol. 15, No. 3, May-June 2012
“Man vs. Wetlands,” Outdoor Illinois, Vol. XX, No. 3, March 2012
“Apple River Canyon,” Outdoor Illinois, Vol. XIX, No. 12, December 2011
“Hunting for Thismia,” Outdoor Illinois, Vol. XIX, No. 11, November 2011
“Chicago Wilderness Atlas of Biodiversity,” second edition, June 2011
“Bird’s Eye – Looking up at the Bird Species that Migrate Through Chicago’s Skies,” Chicago Life, April 2010
“Openlands Lakeshore Preserve,” Outdoor Illinois, Vol. XVIII, No. 3, March 2010
“Apple River Canyon – a Landscape of Love and Inspiration,” Land and Nature – Special Edition, No. 66, Natural Land Institute, Fall 2009.
“Preserving the Magical World of Apple River Canyon,” Northwest Quarterly, Vol. 6, No. 3, Fall 2009
“Lazy River, Who’s Lax in Keeping the Chicago River Clean,” Chicago Life, Fall 2009
“Bald is Back,” Chicago Life, Summer 2009
“Burnham Plan Centennial,” Outdoor Illinois, Vol. XVI, No. 6, June 2009
“Tales of Restoration,” Chicago Wilderness Magazine, Vol. XII, No. 3, Spring 2009
“Utopia Derailed,” Archaeology, Vol. 62, No. 1, January/February 2009
“Strachan Donnelley Passes,” Chicago Wilderness Magazine, Vol. XI, No. 3, Fall 2008
“The Natural Land Institute,” Outdoor Illinois, Vol. XVI, No. 7, July 2008
“10 Years, 10 Trends,” Chicago Wilderness Magazine, Vol. XI, No. 2, Winter 2008
“Plight of the Common Bird,” Chicago Wilderness Magazine, Vol. XI, No. 1, Fall 2007
“The Latest Invaders,” Chicago Wilderness Magazine, Vol. X, No. 2, Winter 2007
“The State of Our Chicago Wilderness: A Report Card on the Health of the Region’s Ecosystems,” Chicago Wilderness, Chicago Wilderness, April 2006 (167-page technical report and 18-page summary report)
“Historic Pullman’s Other Architect: Nathan Franklin Barrett,” Illinois Heritage, Vol. 8, No. 3, May-June 2005
“Back on Track: Beauty Grace and Art Redux in a Historic Chicago Neighborhood,” Chicagoland Gardening Magazine, May/June 2005
“A Legacy of Natural Lands: George B. Fell and the Natural Land Institute,” Natural Land Institute, April 2005
“After Four Generations, Hennepin Land Returns to Wetlands, Prairies,” Wetland Matters, Newsletter of the Wetlands Initiative, Vol. 8, No. 1, March 2003
“The Great Spray Debate,” Chicago Wilderness Magazine, Vol. VI, No. 3, Spring 2003
“Stage Persona: Peter Handler,” PerformInk, Chicago’s Entertainment Trade Paper, September 26, 2003
“A Milestone and a Management Challenge, The 300th Illinois Nature Preserve at White Pines Forest State Park,” Illinois Steward Magazine, Vol. 11, No. 4, Winter 2002-2003
“The Calumet Area Ecological Management Strategy Executive Summary: Phase I Sites,” Chicago Department of Environment, 2002
“Gypsy Moths & Bt: A Double Scourge,” Chicago Wilderness Magazine, Vol. V, No. 4, Summer 2002
“Marian Byrnes: The Conscience of the Calumet,” Chicago Wilderness Magazine, Vol. V, No. 1, Fall 2001
“Where the Bison Roam,” Alligator Juniper, Issue 5, 1999.
“Where the Bison Roam,” Snowy Egret, Vol.61. No. 1, Spring 1998.