Climate activist Greta Thunberg, left, and John Pomeroy, director of the Global Water Futures program, are shown during a visit to the Athabasca Glacier in Jasper National Park in this recent handout photo. Mark Ferguson / THE CANADIAN PRESS
Food security is an urgent and growing concern for Indigenous populations in Canada. Environmental change in aquatic ecosystems can impact the health of fish and the communities that rely on those fish in many ways. Some of those ways can involve exposure to contaminants like mercury.