
The benefits provided by four giant hydroelectric dams on the lower Snake River in Washington state can be replaced if the dams are breached to save endangered salmon runs, according to a new report released Thursday.
But it would be expensive.

The benefits provided by four giant hydroelectric dams on the lower Snake River in Washington state can be replaced if the dams are breached to save endangered salmon runs, according to a new report released Thursday.
But it would be expensive.