Smaller fish species are more nutritious, lower in mercury and less susceptible to overfishing, a Cornell-led research team ...

While the river remains bridge-free, it continues to serve as a vital artery for trade, transportation, and life in the ...

"Almost every big river in North America and Europe is massively modified" through damming, putting freshwater species at risk, he said. In South America, the vast Amazon River ecosystem also ...

“Almost every big river in North America and Europe is massively modified” through damming, putting freshwater species at risk, he said. In South America, the vast Amazon River ecosystem also ...

“Almost every big river in North America and Europe is massively modified" through damming, putting freshwater species at risk, he said. In South America, the vast Amazon River ecosystem also faces ...

“Almost every big river in North America and Europe is massively modified” through damming, putting freshwater species at risk, he said. In South America, the vast Amazon River ecosystem also ...