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Multi-Media
reservoirgraphic_small

The Cantareira reservoir water system that supplies half of Sao Paulo’s 20 million residents is now only 10 percent full after more than year of record-setting drought.

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brazil

Sao Paulo, the largest city in Brazil and the ninth largest in the world, is mired in a severe drought and faces the prospect of water rationing.

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carl-video

Circle of Blue and the Wilson Center team up for a Global Choke Point presentation.

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Detroit Water Shut off Life Without Water Voices from Detroit Circle of Blue J. Carl Ganter Todd Zawistowski

The U.S. government spends more than $450 million each year to provide water and sanitation to poor and vulnerable populations around the world. It’s the first rule of international development, and it brings health, education, and prosperity. Yet in Detroit — a city under emergency management that is reeling from decades of deindustrialization and neighborhood […]

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DIVIDE_IN_CONCORD_1

Photo courtesy of Kris Kaczor / 750 Productions Jean Hill fought to pass the first bottled water ban in the United States in Concord, Massachusetts. Click image to enlarge. By Miles Beauchamp Circle of Blue Divide in Concord — a self-funded documentary about the battle to ban the sale of plastic water bottles in Concord, […]

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AcresofCrops

Click through the interactive spreadsheets to see how phosphorous loading in the Great Lakes region has changed in the last decade and how these trends relate to changes in cropping patterns since the 1950s and land use patterns since the 1980s.

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MaumeeSanduskyGraphic-web-1000

A breakdown of the different types of phosphorous in Ohio’s Maumee and Sandusky rivers that have led to algal blooms in Lake Erie since the 1970s.

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breaking point

Completed in 1935, Hoover Dam supplies electricity to 29 million people in Arizona, California and Nevada.

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ppt3

When layered, maps of annual precipitation in Texas and Kansas show the stark moisture division in the United States between the wet East and the dry West running through the Great Plains.

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ogallala-map-three

Click through the interactive Google Fusion Tables infographic to see how planting trends have been affected by time, as well as how irrigated acreage has changed over the last two decades.

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ogallala-map-two

Click through the interactive Google Fusion Tables infographic to see how water use has changed over the last two decades, as well as how these trends relate to fluctuation of groundwater tables within the Ogallala Aquifer since the 1940s.

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Texas drought Dust Bowl agriculture Great Plains

Strong winds and dry soils are a frightful combination.

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drought-history

The current three-year dry cycle is the state’s worst ever.

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ca-drought-map

One of the world’s largest canal systems moves billions of gallons of water to where it does not naturally flow.

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video-tutorial

Watch this tutorial to learn how to use Circle of Blue’s Google Fusion Tables maps that show changes in California’s water use over the last two decades and how these trends relate to population demographics and water contamination from arsenic.

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live-historic-data

Watch this short tutorial to learn how to use Qlikview’s tool that was endorsed by the White House Climate Initiative.

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arsenic-map

Click through the interactive Google Fusion Tables infographic to see how water pollution in California’s Central Valley has changed in the last decade and how these trends relate to population demographics.

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banner-water-use

Click through the interactive Google Fusion Tables infographic to see how California’s water use has changed over the last two decades and how these trends relate to population demographics and water contamination.

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Julene Bair author photo (credit Stephen Collector)

Fancy machinery and irrigation systems that pull millions of gallons per day from the nation’s largest aquifer have transformed the High Plains. But at what cost? Circle of Blue’s Brett Walton spoke with Julene Bair, author of The Ogallala Road, a memoir of a life shaped by land and water.

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live-historic-data

Click through the interactive Qlikview infographic to see how California’s water levels have changed over the last two decades.

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