United States
Every article and hero in Arborpedia that touches this subject.
Heroes02 entries
- № 04

David Milarch
United States · 1949–present
Michigan nurseryman who pioneered techniques for cloning the world's largest and oldest trees to preserve their genetics and combat climate change.
- № 09

Julia Butterfly Hill
United States · 1974–present
American environmentalist who lived 738 days in a 1,500-year-old redwood named Luna to save it from logging.