Tiny amounts of copper in rivers endanger salmon by affecting sense of smell

Tiny amounts of copper in a river affect a salmon’s sense of smell, making it harder to avoid predators, according to a study at Washington State University. Jenifer McIntyre says the copper means that a salmon can’t detect another compound … Continue reading

Tailings “smother everything on sea floor” at deep Norwegian fjords, scientists say: BBC

The BBC, reporting from the Ocean Sciences Meeting in Salt Lake City, says Norwegian scientists are becoming concerned about dumping huge amounts of tailings in the country’s fjords. Reporter Jonathan Amos in Scrutiny for Norwegian fjord rock disposal says for decades … Continue reading