“The Cost of Trout Fishing”

Hatchery fish can cause both ecological and genetic damage to the streams they are stocked, and the hatcheries where they are raised are major polluters of nearby waterways. Yet millions of hatchery trout are released each year to millions of eager anglers. Douglas M. Thompson, author of “The Quest for the Golden Trout: Environmental Loss and America’s Iconic Fish,” examines “The Cost of Trout Fishing” in a recent op-ed in The New York Times.