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Key potential environmental impacts

Impact
Air
       Greenhouse gases from reservoirs
Water
       Changes to fish and aquatic habitat
       Release of mercury
Land
       Land disturbance during construction
       Flooding of lands
Biodiversity
       Changes to wildlife and wildlife habitat

This section discusses how generating electricity from water affects the environment, and what the electricity industry and governments are doing to address those impacts. Background pieces discuss government regulation, water management planning, the industry’s changing relationships with First Nations and the different impacts of large and small hydro projects. Brief case studies highlight related events, activities or research.


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