After four years at sea, massive wild Atlantic salmon return to one of the few remaining healthy rivers in Eastern Canada. As wild Atlantic salmon populations falter, salmon farming is on the increase globally, with over 274 million farmed fish present in the world's waters. Pound for pound, more pesticides and antibiotics are used than in any other livestock industry, having an impact on both human health and the environment. The waste from a large farm can be equivalent to a town with a population of 50,000 dumping sewage directly into the sea. Diseases and sea lice transfer quickly between fish packed tightly in pens, and many farmed salmon escape into the wild, spreading infection. It is estimated that over 500,000 farmed salmon escape each year in Norway alone. They breed in the wild, ultimately lowering the gene pool of wild salmon. In the US, Atlantic salmon is listed as critically endangered.

A fisherman tries his luck. As wild Atlantic salmon populations falter, salmon farming is on the increase globally, with over 274 million farmed fish present in the world's waters. Pound for pound, more pesticides and antibiotics are used in this than in any other livestock industry, having an impact on both human health and the environment. The waste from a large farm can be equivalent to a town with a population of 50,000 dumping sewage directly into the sea. Diseases and sea lice transfer quickly between fish packed tightly in pens, and many farmed salmon escape into the wild, spreading infection. It is estimated that over 500,000 farmed salmon escape each year in Norway alone. They breed in the wild, ultimately lowering the gene pool of wild salmon. In the US, Atlantic salmon is listed as critically endangered.

An Atlantic salmon grilse swims through a fish ladder. Iceland has conducted careful management of its rivers and the returns are healthy. As wild Atlantic salmon populations falter, salmon farming is on the increase globally, with over 274 million farmed fish present in the world's waters. Pound for pound, more pesticides and antibiotics are used in this than in any other livestock industry, having an impact on both human health and the environment. The waste from a large farm can be equivalent to a town with a population of 50,000 dumping sewage directly into the sea. Diseases and sea lice transfer quickly between fish packed tightly in pens, and many farmed salmon escape into the wild, spreading infection. It is estimated that over 500,000 farmed salmon escape each year in Norway alone. They breed in the wild, ultimately lowering the gene pool of wild salmon. In the US, Atlantic salmon is listed as critically endangered.

During spawning, a female releases eggs into her redd (nest) while the male simultaneously fertilizes them. As wild Atlantic salmon populations falter, salmon farming is on the increase globally, with over 274 million farmed fish present in the world's waters. Pound for pound, more pesticides and antibiotics are used in this than in any other livestock industry, having an impact on both human health and the environment. The waste from a large farm can be equivalent to a town with a population of 50,000 dumping sewage directly into the sea. Diseases and sea lice transfer quickly between fish packed tightly in pens, and many farmed salmon escape into the wild, spreading infection. It is estimated that over 500,000 farmed salmon escape each year in Norway alone. They breed in the wild, ultimately lowering the gene pool of wild salmon. In the US, Atlantic salmon is listed as critically endangered.

Thousands of freshly hatched alevins find safety in numbers. As wild Atlantic salmon populations falter, salmon farming is on the increase globally, with over 274 million farmed fish present in the world's waters. Pound for pound, more pesticides and antibiotics are used in this than in any other livestock industry, having an impact on both human health and the environment. The waste from a large farm can be equivalent to a town with a population of 50,000 dumping sewage directly into the sea. Diseases and sea lice transfer quickly between fish packed tightly in pens, and many farmed salmon escape into the wild, spreading infection. It is estimated that over 500,000 farmed salmon escape each year in Norway alone. They breed in the wild, ultimately lowering the gene pool of wild salmon. In the US, Atlantic salmon is listed as critically endangered.

Over a million salmon are being raised in this fish farm. As wild Atlantic salmon populations falter, salmon farming is on the increase globally, with over 274 million farmed fish present in the world's waters. Pound for pound, more pesticides and antibiotics are used in this than in any other livestock industry, having an impact on both human health and the environment. The waste from a large farm can be equivalent to a town with a population of 50,000 dumping sewage directly into the sea. Diseases and sea lice transfer quickly between fish packed tightly in pens, and many farmed salmon escape into the wild, spreading infection. It is estimated that over 500,000 farmed salmon escape each year in Norway alone. They breed in the wild, ultimately lowering the gene pool of wild salmon. In the US, Atlantic salmon is listed as critically endangered.

A diver descends into a fish farm pen filled with 80,000 adult Atlantic salmon. As wild Atlantic salmon populations falter, salmon farming is on the increase globally, with over 274 million farmed fish in the world's waters. Pound for pound, more pesticides and antibiotics are used in this than in any other livestock industry, having an impact on both human health and the environment. The waste from a large farm can be equivalent to a town with a population of 50,000 dumping sewage directly into the sea. Diseases and sea lice transfer quickly between fish packed tightly in pens, and many farmed salmon escape into the wild, spreading infection. It is estimated that over 500,000 farmed salmon escape each year in Norway alone. They breed in the wild, ultimately lowering the gene pool of wild salmon. In the US, Atlantic salmon is listed as critically endangered.

Sea lice on the eye of a wild Atlantic salmon. As wild Atlantic salmon populations falter, salmon farming is on the increase globally, with over 274 million farmed fish present in the world's waters. Pound for pound, more pesticides and antibiotics are used in this than in any other livestock industry, having an impact on both human health and the environment. The waste from a large farm can be equivalent to a town with a population of 50,000 dumping sewage directly into the sea. Diseases and sea lice transfer quickly between fish packed tightly in pens, and many farmed salmon escape into the wild, spreading infection. It is estimated that over 500,000 farmed salmon escape each year in Norway alone. They breed in the wild, ultimately lowering the gene pool of wild salmon. In the US, Atlantic salmon is listed as critically endangered.

A small Atlantic salmon caught in a river subjected to a unique scientific procedure known as bone dying. Using chemicals, the flesh is made clear and the bones are dyed red. This allows them to analyze the bone structure of young salmon. Based on this research they were able to prove that the release of Moth Prevention Agents into Scotland's rivers was causing bone deformation in juvenile Atlantic salmon.

Fisherman Martin Fadian (72), pulls up his draft net with only one fish to show for two days' work. As wild Atlantic salmon populations falter, salmon farming is on the increase globally, with over 274 million farmed fish present in the world's waters. Pound for pound, more pesticides and antibiotics are used in this than in any other livestock industry, having an impact on both human health and the environment. The waste from a large farm can be equivalent to a town with a population of 50,000 dumping sewage directly into the sea. Diseases and sea lice transfer quickly between fish packed tightly in pens, and many farmed salmon escape into the wild, spreading infection. It is estimated that over 500,000 farmed salmon escape each year in Norway alone. They breed in the wild, ultimately lowering the gene pool of wild salmon. In the US, Atlantic salmon is listed as critically endangered.

John Moyles (laughing) and his friends are confined to a tiny section of the River Moy, while the paying sport fisherman get the best water. As wild Atlantic salmon populations falter, salmon farming is on the increase globally, with over 274 million farmed fish present in the world's waters. Pound for pound, more pesticides and antibiotics are used in this than in any other livestock industry, having an impact on both human health and the environment. The waste from a large farm can be equivalent to a town with a population of 50,000 dumping sewage directly into the sea. Diseases and sea lice transfer quickly between fish packed tightly in pens, and many farmed salmon escape into the wild, spreading infection. It is estimated that over 500,000 farmed salmon escape each year in Norway alone. They breed in the wild, ultimately lowering the gene pool of wild salmon. In the US, Atlantic salmon is listed as critically endangered.

Fishermen on the Restigouche River. As wild Atlantic salmon populations falter, salmon farming is on the increase globally, with over 274 million farmed fish present in the world's waters. Pound for pound, more pesticides and antibiotics are used in this than in any other livestock industry, having an impact on both human health and the environment. The waste from a large farm can be equivalent to a town with a population of 50,000 dumping sewage directly into the sea. Diseases and sea lice transfer quickly between fish packed tightly in pens, and many farmed salmon escape into the wild, spreading infection. It is estimated that over 500,000 farmed salmon escape each year in Norway alone. They breed in the wild, ultimately lowering the gene pool of wild salmon. In the US, Atlantic salmon is listed as critically endangered.

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