• Turning to Stone: Marcia Bjornerud in conversation with Robert Thorson

    Zoom

    Register                 Join us for an evening with geologist and acclaimed author Marcia Bjornerud, in conversation with Robert Thorson, celebrating Bjornerud’s award-winning book Turning to Stone, winner of the 2025 John Burroughs Medal for Natural History Writing. Praised by Elizabeth Kolbert as “a beautiful book—at once intimate and sweeping, informative and […]

  • The Great Black Swamp: A Conversation with Patrick Wensink

    Zoom

    Register In the summer of 2014, Lake Erie’s western basin turned a shocking, toxic green—an ecological disaster that threatened the drinking water of nearly 400,000 Ohio residents. How did it happen, and why does the answer lead back to a forgotten landscape most Americans have never heard of? Join author Patrick Wensink on Zoom for […]

  • Super Cup Fungus Foray with Larry Millman

    Hapgood-Wright Forest Walden Street, Concord, MA, United States

    THIS EVENT HAS BEEN RESCHEDULED TO MARCH 29 Learn More and Register Mycologist and author of Fascinating Fungi of New England, Fungipedia, Lawrence Millman, will be the foray leader on a mushroom identification walk in Hapgood-Wright Forest. Scheduled this year to NOT conflict with the Super Bowl, the Super Cup Fungus Foray offers much excitement for those […]

  • Thoreau Alliance 2026 Online Auction

    Join us for our annual online auction, taking place March 1–31, 2026, and bid on an exciting array of fun, unique, and one-of-a-kind items—all while supporting two mission-driven organizations. Each year, we bring together extraordinary experiences and exclusive offerings generously donated by our community partners. Past contributors have included the Museum of American Bird Art, […]

  • Wildness: Lydia Willsky-Ciollo in conversation with Richard Higgins

    Thoreau Farm 341 Virginia Road, Concord, MA, United States

    Register to Attend In-Person In Wildness: Henry David Thoreau and the Making of an American Theology, Lydia Willsky-Ciollo reintroduces Henry David Thoreau as a thinker whose spiritual vision emerged through lived experience of the natural world. From his years after college through his time at Walden Pond, Thoreau developed a theology rooted not in doctrine […]