Scientists examined around 23,500 species of dragonflies, fish, crabs and other animals that depend exclusively on freshwater ...

“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 ...

putting freshwater species at risk, he said. In South America, the vast Amazon River ecosystem also faces threats from deforestation, wildfires and illegal gold mining, said Charvet. Illegal fires ...