Counting the Cats in Zanzibar: Thoreau's Literary Travels in Africa
Thoreau Society Annual Gathering in Concord, MA, July 2022

Is It Worth the While?
Thoreau and the Nick of Time, Rejkholt, Iceland, May 2022

Thoreau and the Mass of Men
Thoreau Society Annual Gathering in Concord, MA, July 2021

Varieties of Transcendentalism (moderator)
Thoreau Society Annual Gathering in Concord, MA, July 2021

Henry David Thoreau and the Creatures of Concord
Histories of Nature and Environments: Shaping Landscapes
in Lisbon, Portugal, November 2019

Dark Thoreau Revisited
Thoreau Society Annual Gathering in Concord, MA, July 2019

Thoreau’s Questions
Thoreau Society Annual Gathering in Concord, MA, July 2019

Tribute to Sid Horenstein
Isham Park Reading Series, May 2019

Writing History: How to Bring the Past to the Present
Researching New York Conference in Albany, NY, November 2018

Thoreau in New York
Brooklyn Book Festival, September 2018 (moderator)

The New York Diary of George Templeton Strong
Isham Park Reading Series, June 2018

Country Mouse and City Mouse:
Henry David Thoreau and George Templeton Strong
Thoreau Society Annual Gathering in Concord, MA, July 2018
Uses & Abuses of Thoreau at 200 in Gothenburg, Sweden, May 2018

Animals of Concord v. Henry David Thoreau
Uses & Abuses of Thoreau at 200 in Gothenburg, Sweden, May 2018 (see video)
Thoreau Society Annual Gathering in Concord, MA, July 2017 (moderator and presenter)

Nature: An Obsession
Literature House in Bergen, Norway, December 2017

Thoreau’s Animals
Isham Park Reading Series, July 2017

Thoreau’s Wildflowers and Animals
Falmouth Public Library, August 2017
Boston Athenaeum, August 2017 (see video)
Brooklyn Brainery, June 2017
Linnaean Society of New York, January 2017

Thoreau as Ecologist
Thoreau Society Annual Gathering in Concord, MA, July 2016

Thoreau’s Wildflowers
Isham Park Reading Series, June 2016
Concord Free Public Library, March 2016
Thoreau Society Annual Gathering in Concord, MA, July 2015 (moderator and presenter)

African Lives
Isham Park Reading Series, June 2015