But more needs to be done, both here and across the Atlantic.
That goal has drawn leading scientists and experts from around the world to Maine this week. The science community will be discussing plans to save the species in both North America and Europe.
Although progress has been made, those at the conference say he still have a long way to go.
Andrew Goode, Vice President of the Atlantic Salmon Federation, says the Penobscot river restoration project is the best chance to restore Atlantic salmon in the U.S. He says it shows that salmon restoration and hydro-electric dams can co-exist.