In this episode of the Root & STEM podcast, David Cote, a research scientist at Fisheries & Oceans Canada, shares the responsibilities of him and his colleagues at Fisheries & Oceans (1:09) and the change in trends he’s observed since the early days of his career (2:39). Next, David describes an alternate method of collecting water samples called eDNA (4:56) and its advantages in comparison to collecting live species samples (7:36). He explains how eDNA can assist Indigenous communities and complement their rich knowledge of local waters (10:52). Finally, David shares his hopes for the future in limiting climate change (13:34).