Environment

Environment

Hear how scientists use music to track salmon

The sounds heard represent salmon in different rivers. The changing sounds allow the listener to visualize how the salmon are migrating. The red and green dots and blue arrow represent change in size with population, something you can hear as well.

There’s wolves and environmentalists. This is the rancher’s view.

Phil Davis, a fourth-generation cattle rancher in Cascade, Idaho, had four cows and calves killed in one week.