In the third installment of National Geographic’s “Into Water” 360 series, canoe through the sprawling Canadian wilderness with freshwater ecologist and National Geographic Explorer Dalal Hanna. She researches Quebec’s extensive freshwater systems, collecting samples from streams, rivers and lakes to assess ecosystem health, with the aim of protecting these precious resources. “Into Water: Canada” is the third stop on an around the world 360 tour that documents the work of female Explorers who’ve dedicated their careers to water-related issues.