News tagged with river sediments

Toxic Coal Ash Threatens Health And Environment

(PhysOrg.com) -- Exposure to dust and river sediment containing toxic metals and radioactivity from a coal ash spill at the Tennessee Valley Authority’s Kingston power plant last December could pose risks ...

Aug 18, 2009
4.7 / 5 (3) 3

The Amazon River is 11 million years old

The Amazon River originated as a transcontinental river around 11 million years ago and took its present shape approximately 2.4 million years ago. These are the most significant results of a study on two ...

Jul 07, 2009
4.8 / 5 (13) 1
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