Articles on Rivers

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Farm near Seven Springs, North Carolina, surrounded by water on Oct. 25, 1999, nearly six weeks after Hurricane Floyd. AP Photo/Karen Tam

Hurricanes can cause enormous damage inland, but emergency plans focus on coasts

Hurricanes in the southern US have caused widespread damage inland in recent decades, mainly through river flooding. But evacuations and stormproofing focus almost entirely on keeping people safe on the coasts.
Residents of Pandanad sit in a bus stop surrounded by flood waters, in Kerala, India. Manjunath Kiran/AFP

Kerala’s monsoon: lessons from recent floods in India

Uncontrolled growth at the expense of the environment will severely exacerbate the impacts of climate change. As shown with tragic floods in India, our cities are not prepared for extreme events.
Birds don’t fly across wide Amazonian rivers like the Rio Negro. Marcos Amend www.marcosamend.com (for use with this article only)

Bird DNA helps explain Amazonian rivers’ role in evolution

Rivers are natural boundaries for evolving populations. But scientists don't agree whether they create new species or just help maintain them. Research using birds' molecular clocks provides some answers.
The Murrumbidgee River is one of several sites in the Murray-Darling Basin where improvements are being detected. CSIRO/Wikimedia Commons

It will take decades, but the Murray Darling Basin Plan is delivering environmental improvements

The Murray-Darling Basin Plan has been politically fraught and mired in scandal. But environmental monitoring suggests that the health of the rivers is indeed improving – even if it will take decades.
Little Missouri River, North Dakota. Justin Meissen

US rivers are becoming saltier – and it’s not just from treating roads in winter

Recent research shows that US rivers are becoming saltier and more alkaline. Salt pollution threatens drinking water supplies and freshwater ecosystems, but there is no broad system for regulating it.
Sockeye salmon need strong hearts to migrate long distances. An oil spill could hurt their survival. (AP Photo/Gary Stewart, File)

The Kinder Morgan pipeline and Pacific salmon: Red fish, black gold

Pacific salmon are ingrained in the culture and economy of Canada. They are also a key link between ocean and land. But what happens if a pipeline failure contaminates their habitat?
The mouth of the Murray River delivers vital nutrients to marine life in the ocean beyond. SA Water

Drought on the Murray River harms ocean life too

Low flows in the Murray River in recent years have harmed tiny marine plants called phytoplankton, with consequences for local marine species and management.

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