Seaguls from the coast fly far inland and into the dry landscape of California's Central Valley.

Big Water Supply Project Creates Unease in Delta

Farms, Wildlife Preserves in the Tunnels’ Path.
An overview map of the Central Valley project at the C.W. Jones Pumping Plant, a federal facility which supplies water to the project's network of irrigation canals and reservoirs.

Photo Slideshow: California’s Lingering Drought and Pollution Defy Solutions

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Less snowmelt from Sierra Nevada leads to more pumping of Central Valley’s contaminated groundwater.

Report: Water Is a Top-three Global Risk, Says World Economic Forum

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From climate change to food insecurity, water influences the planet’s most dangerous threats.

Study: Army Corps of Engineers Release Ways to Keep Asian Carp Out of Great Lakes

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Plans to stop the invasive fish are costly, and most take more than 10 years to complete.

Rio Tinto’s Michigan Nickel Mine Introduces Citizen Water Quality Testing Program

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Despite skepticism, company agrees to finance environmental monitoring at Eagle Mine

Report: 25% of World’s Agriculture Growing in Regions of High Water Stress

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A new study from the World Resources Institute shows the connection between crops and water scarcity.

NASA’s GRACE Satellites Show Colorado River Basin’s Biggest Water Losses Are Groundwater (2005-2013)

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During presentations this week at the annual fall meeting of the American Geophysical Union, researchers at the University of California, Irvine, announced that the region's most visible signs of drought – shrinking reservoirs – are dwarfed by groundwater losses.

Report: Society’s Water Safety Net Is Fraying

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A National Research Council report argues that groundwater use…
Black Volta River

Update: UN Transboundary Water Treaty Moves Forward As Cote d’Ivoire Approves Ratification

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Though three more ratifications are needed before the UN Watercourses Convention has the force of international law, advocates assert that four countries are close: Ireland, Tanzania, the United Kingdom, and Vietnam.

Saving Money by Storing the Rain

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Rainwater harvesting, a disruptive idea, catches on with businesses. CoB reporter Brett Walton responds to a recent article in the Guardian.

Report: Australia’s Groundwater Is Worth Billions

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A new study finds that Australia’s groundwater contributes more to GDP than some industries.

Guess Who Proposed the Missouri River Pipeline in the Federal Government’s Colorado River Basin Study?

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Hint: It’s not who you might think, says Circle of Blue reporter Brett Walton.