The big problem in the Columbia River no one is talking about - The Columbian

The undercurrents at play in the Columbia River dams debate

Columbia River - Wikipedia

As B.C. bets on mining to meet climate goals, taxpayers are at risk to cover cleanup costs - The Globe and Mail

Why are there no major cities on Colombia's on west coast? : r/geography

Why did they build big dams in the parts of the Columbia River that used to be accessible to salmon migration, when they could have just built them behind the natural barriers

Columbia River - Wikipedia

Crossing the Darién Gap: Migrants Risk Death on the Journey to the U.S.

Columbia River - Wikipedia

The fight of the Salmon People - OPB

Why Colombia's Pacific coast is so poor

Money, power and an ecosystem are all at stake in Canada-U.S. negotiations over a massive river

Alfred W. Crosby on the Columbian Exchange, History

Update on U.S. and Canada Columbia River Treaty negotiations

Columbia River - Wikipedia

Columbia River - Wikipedia