Scientists say heavy metal in sludge not dangerous

(AP) -- The toxic red sludge that burst out of a Hungarian factory's reservoir reached the mighty Danube on Thursday after wreaking havoc on smaller rivers and creeks, and downstream nations rushed to test their waters.

Ohio lake's algae dangerous to swimmers, economy

(AP) -- Patches of green and turquoise slime floated like thick paint in the channel behind Kyle Biesel's home. His pontoon boat sat covered up, unused for weeks, on a wooden lift stained by the algae.

Underwater oil could create new 'dead zone' in Gulf

Giant plumes of oil drifting deep in the Gulf of Mexico could create a new 'dead zone' of oxygen-depleted waters unfit for marine life and wreak environmental damage that will take generations to overcome, scientists warned ...

How do free electrons originate?

Scientists at Max Planck Institute of Plasma Physics (IPP) in Garching and Greifswald and Fritz Haber Institute in Berlin, Germany, have discovered a new way in which high-energy radiation in water can release slow electrons. ...

What's in your water?: Disinfectants create toxic by-products

Although perhaps the greatest public health achievement of the 20th century was the disinfection of water, a recent study now shows that the chemicals used to purify the water we drink and use in swimming pools react with ...

Global warming to carry big costs for California

(AP) -- From agricultural losses to devastation wrought by wildfires, California's economy is expected to see significant costs resulting from global warming in the decades ahead, according to a new report.

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