The Stream: Special Rio Edition

Super bacteria, green pools, and even a murder mystery splashed across headlines about water conditions in the Olympic host city.

Foul Water Conditions Found All Over the World

Rio waters are just most visible example of the planet’s polluted bays and rivers.

For Brazil, Rio Sewage is One of Many Water Challenges

Hydropower development, agricultural expansion, mining, and drought put growing pressure on Olympic host.

Algal Blooms Are No Accident For Florida Everglades and Estuaries

Political, financial, and ecological barriers block solutions in South Florida.

Small Lake Erie Algae Bloom Predicted, But Work Isn’t Done

Researchers hone plans to cut phosphorus and mitigate future blooms.

Toxic Algae Flourish As Everglades Solution Eludes Florida

The blooms plaguing coastal estuaries are a symptom of a system out of balance.

Drinking Water Warning Issued for Nonstick Chemical

Flint lead scandal a factor in stirring action for other contaminants. By…

USGS Map Reveals Long-Term Changes in America’s Groundwater Quality

Further studies needed to explain contamination trends. By…

Earth Day, At 47, Proves Value of Water and More

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Ecological principles guide economic strategies to fit 21st-century conditions.

Algae Overtake Australia’s Murray River

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Bloom of blue-green algae covers hundreds of kilometers of water in New South Wales and Victoria.

Limits Set To Stop Lake Erie Algae Blooms

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U.S. and Canada agree to reduce phosphorus levels 40 percent.

Water A Key Factor in Zika Virus Spread

Zika is carried by mosquitoes that reproduce in standing water,…