Harnessing the power of rivers to generate electricity with hydroelectric dams is often thought of as a clean and green engineering marvel. But the negative impacts of hydro generation on ecosystems and the people who harvest from those ecosystems is the part of the story that doesn't get mentioned in the glossy brochure.

In Part 1 of APTN Investigates: Power – Christopher Read travels to South Indian Lake, Manitoba once one of the largest freshwater fisheries in North America.