Salmon begin their lives in fresh water , then swim downstream to spend their adult lives in the ocean, before returning to their birth grounds to spawn and die. The current fishery collapse is believed to have originated a few years ago, when adult salmon entered the ocean off the coast of Oregon during a time of poor conditions and scarce food - a situation that still continues and may be due to global warming. Receive our Natural Health Newsletter for FREE Subscribe now to receive a summary of each day’s most important natural health stories, plus get full, free access to the entire archives of books on HealthBookSummaries. See interview footage featuring the Health Ranger in the upcoming junk food film, All Jacked Up . read more