launched the Perpetual Planet Amazon Expedition, a one-of-a-kind science and storytelling exploration of the world’s most vital freshwater ecosystem — the Amazon River basin. From its ...

The unparalleled diversity of tropical ecosystems has ... than seven million km 2. The Amazon River alone carries about a sixth of the all world's flowing freshwater. Its tropical location ...

“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 ...

Freshwater ecosystems comprise less than 1 percent ... "Huge rivers like the Amazon can appear mighty, but at the same time freshwater environments are very fragile." Catherine A.