美國水壩和河流影響魚類流動與成長

Thousands of outdated dams across the country no longer generate power and block rivers that once flowed freely to places like the Great Lakes or oceans. And that blocks fish species and disrupts the entire energy transfer in an ecosystem. That’s why more and more communities struggle with the challenges and innovative solutions to removing outdated and sometimes potentially hazardous dams. This episode explores the dilemma of America’s outdated dams, and restoring rivers with connectivity.