Scientists Map Methane in World’s Rivers and Streams, Find Surprising Sources and Human Impacts on Emissions

Freshwater ecosystems account for half of global emissions of methane, a potent greenhouse gas that contributes to global warming. Rivers and streams, especially, are thought to emit a substantial amount of that methane but the …

The High Cost of Hydropower: Study Records Big Impacts from Brazil’s Belo Monte “Mega Dam”

The Belo Monte Dam, located in the Amazon Rainforest on Brazil’s Xingu River, is one of the largest hydroelectric facilities in the world. It is also likely the most studied, thanks to an ambitious research …