(Second of three parts) OLONGAPO CITY, ZAMBALES, Philippines — When Mount Pinatubo erupted in 1991, 63-year-old Aeta elder Trollie Romualdo was forced to flee the forests and rivers that had long sustained his community in San Marcelino, Zambales—a disruption that still shapes how they view change today. More than three decades later, the uplands where
