The U.S. Environmental Protection Agency (EPA) Wednesday released its final Bristol Bay Assessment stating the proposed large-scale copper and gold mining project in Bristol Bay, Alaska, will negatively impact the salmon fishery.

The statement from the EPA reads:

The report, "An Assessment of Potential Mining Impacts on Salmon Ecosystems of Bristol Bay, Alaska," concludes that large-scale mining in the Bristol Bay watershed poses risks to salmon and Alaska Native cultures. Bristol Bay supports the largest sockeye salmon fishery in the world, producing nearly 50 percent of the world’s wild sockeye salmon with runs averaging 37.5