Listening in on endangered Amazon River dolphins

Monitoring echolocation clicks could be used to track the movements of two endangered freshwater dolphin species that inhabit inaccessible parts of the Amazon Basin—the boto (or pink river dolphin) and the tucuxi—and ...

Study finds climate determines shapes of river basins

There are more than 1 million river basins carved into the topography of the United States, each collecting rainwater to feed the rivers that cut through them. Some basins are as small as individual streams, while others ...

Small streams have a big influence on our lives

Small streams make up 70%-80% of the total channel length of river networks, and they strongly influence downstream portions these networks. The role small streams ? known as headstreams ? play in retaining or transmitting ...

Previously unknown methane sources identified in Hamburg

After carbon dioxide, methane is the second most common greenhouse gas caused by human activity. Moreover, over a 20-year period, its global warming potential is more than 80 times that of carbon dioxide. The largest known ...

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