Recent Appearances

Public Lecture, "American Canopy: Trees, Forests, and the Making of a Nation," Grey Towers National Historic Site, Milford, PA; June 30, 2018

AgWeek Keynote Speaker, “Proposing the Future: How America Traded Arbor Day for Earth Day, and What This Means for Us Now,” SUNY-Cobleskill, Cobleskill, NY; April 22, 2018

Interview (with Nancy Pinchot), “Trees and the American Canopy,” Milford Readers and Writers Festival, Grey Towers National Historic Site, Milford, PA; September 17, 2017

Keynote Address, “Twin Tragedies: The Rise and Fall of Two Great American Trees,” Tree Wardens Association of Connecticut 25th Anniversary Conference, New Haven, CT; April 28, 2017

InFocus: Sustainability Initiative Invited Lecture, “Trees and the American Experience,” Moravian College, Bethlehem, PA, October 18, 2016