Without passageways to cross dams along the Columbia, salmon are dying. Tribes say the U.S. government isn't cooperating as they try to help the fish recover.
After two decades and $2 billion in spending, the U.S. government's promises to Native tribes to boost fish populations in Oregon and Washington haven't held up.
Government officials, activists and academics from British Columbia, Washington and Oregon offer next steps to help the region cut carbon emissions and hit climate goals by 2030.