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Manchac, LA, courtesy of Joshua Hermann

Designing Change: Landscape Continuity in an Age of Uncertainty Symposium, October 15-16, 2025

Image Credit: Longwood Gardens.

Explore the future of landscape preservation in the context of today’s unprecedented global change with the Designing Change: Landscape Continuity in an Age of Uncertainty symposium, October 15-16, 2025, at Longwood Gardens.

Curated by Anita Berrizbeitia, Professor of Landscape Architecture at Harvard Graduate School of Design, this two-day symposium welcomes landscape architects and designers, preservationists, ecologists, thought leaders, and industry professionals to one of the great gardens of the world to engage with world-renowned speakers and enjoy many opportunities for discussion. The symposium also examines the unprecedented preservation, relocation, and reconstruction of the Cascade Garden, designed by acclaimed Brazilian landscape architect Roberto Burle Marx and newly opened at Longwood Gardens.

During the symposium, enjoy an impressive roster of speakers comprised of award-winning scholars, landscape architects, ecologists, and ethnobotanists. Events include a welcome reception and keynote on the Cascade Garden preservation; lightning talks on existing preservation paradigms; a panel discussion on the intersection of biological and cultural conservation; and a concluding keynote on the future of historic estate landscapes, among many other highlights.

Featured speakers include:
  • Kongjian Yu, Ph.D., Pioneer of the “Sponge City” Concept
  • Kristin Frederickson, Principal of Reed Hilderbrand
  • Steven Heyde and Sylvia Van Damme, Ph.D., Authors of The Future of Estate Landscapes in Europe
  • Marion Weiss and Michael Manfredi, Partners and Cofounders of WEISS/MANFREDI
Session chairs:
  • John Beardsley, Curator of the Cornelia Hahn Oberlander International Landscape Architecture Prize
  • Charles Birnbaum, Founder, President and CEO of The Cultural Landscape Foundation
Registration is now open. Learn more and register at .

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