One of the greatest threats to Alaskan salmon is the proposed Pebble Mine at the headwaters of the Nushagak and Kvichak rivers in the Bristol Bay region – the most productive salmon ecosystem in the world. If constructed, Pebble would be the world’s second largest open pit copper/gold/molybdenum mine and include the world’s largest earthen dam, to hold back 10 billion tons of toxic tailings and contaminated water.

Learn more about our Bristol Bay campaign.

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