News tagged with calcium carbonate

Shells slim down with CO2

Marine algae that turn carbon dissolved in seawater into shell will produce thinner and thinner shells as carbon dioxide levels increase.

dateAug 09, 2011 in Environment
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Surprises from the ocean: Marine plankton and ocean pH

The world's oceans support vast populations of single-celled organisms (phytoplankton) that are responsible, through photosynthesis, for removing about half of the carbon dioxide that is produced by burning fossil fuels – ...

dateJun 21, 2011 in Ecology
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CO2 makes life difficult for algae

The acidification of the world's oceans could have major consequences for the marine environment. New research shows that coccoliths, which are an important part of the marine environment, dissolve when seawater acidifies.

dateMay 10, 2011 in Earth Sciences
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Building cement 'prison' for old radioactive waste

The Cold War ended long ago, but its radioactive legacy still lingers in the water and soil of the western United States. Between 1950 and 1990, nuclear weapons materials production and processing at several federal facilities ...

dateJan 11, 2011 in Environment
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