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![](https://www.circleofblue.org/wp-content/uploads/2014/11/Sao-Paulo’s-Water-Waiting-Game.jpg)
Sao Paulo’s Water Waiting Game Avoided Rationing But Produced Huge Risk of Severe Shortage
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Desire to protect the poor left Brazil’s driest city few options…
![](https://www.circleofblue.org/wp-content/uploads/2014/10/13778143833_1f45b0170c_z-1-495x400.jpg)
Hawaii River Restorations Reflect National Desire to Protect Water for Public Benefit
Using public trust doctrine, communities restore streams diverted…
![](https://www.circleofblue.org/wp-content/uploads/2015/06/15239868531_65da17ea07_z-495x400.jpg)
Great Lakes Mayors Ask State and Federal Governments to Step Up On Algae
Drinking water summit focuses on Toledo water crisis.
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![](https://www.circleofblue.org/wp-content/uploads/2014/09/DianchiLakeAlgae.jpg)
World Stands By As Algae and Dead Zones Ruin Water
Expensive research and cleanup efforts make little headway.
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![](https://www.circleofblue.org/wp-content/uploads/2014/08/OhioWatershedMapSmall.jpg)
Seven Ohio Drinking Water Sources Don’t Meet State Water Quality Standards for Toxic Algae
Lack of testing requirements inhibits more thorough review of…
![](https://www.circleofblue.org/wp-content/uploads/2014/01/CircleofBlueStrazzante061.jpg)
Toledo Issues Emergency ‘Do Not Drink Water’ Warning to Residents
Algae toxins poison Lake Erie; 400,000 people without water.
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![](https://www.circleofblue.org/wp-content/uploads/2014/08/BulletinIndex0801141.jpg)
Harmful Algal Bloom Expands in Lake Erie
Algal bloom season is here. These tools will help you keep track.
A…
![](https://www.circleofblue.org/wp-content/uploads/2014/06/BrooksRange01.jpg)
‘Risky Business’ Report Says Two Things about Water — One Is Obvious, the Other Is Not
Water is largely ignored in a report about U.S. economic risks…
![](https://www.circleofblue.org/wp-content/uploads/2014/06/LakeSampling_small.jpg)
Scrubbing Rocks, and Other Things Scientists Do
Basic scientific research is not glamorous.
Photo Codi Kozacek…
![](https://www.circleofblue.org/wp-content/uploads/2014/06/Solstice_small.jpg)
What Happens in the Arctic Doesn’t Stay in the Arctic
Carbon dioxide released here can drive climate change elsewhere.
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![](https://www.circleofblue.org/wp-content/uploads/2014/06/Kuparuk-River01_small.jpg)
Tundra Trekking: A Tale of Rivers and Ravenous Thermokarst
On the tundra, climate change is just one careless step away.…
![](https://www.circleofblue.org/wp-content/uploads/2014/06/BrooksRange01.jpg)
Where the Sun Never Sleeps (And Neither Do The Scientists)
COB reporter Codi Kozacek travels above the Arctic Circle.
In…