Meat and bone meal as a source of phosphorus

Slaughterhouse waste is processed into meat and bone meal and subsequently fed to livestock or incinerated. This meal could be put to better use, though. It contains phosphorus, a scarce mineral used as fertilizer. A new ...

Chaos theory provides a way for determining how pollutants travel

Floating air particles following disasters and other largescale geological events can have a lasting impact on life on Earth. Volcanic ash can be projected up to the stratosphere and halt air traffic by lingering in the atmosphere ...

Russia's Kamchatka volcanoes calm after eruptions

(AP) -- Two volcanoes that erupted on the far-eastern Kamchatka Peninsula, blanketing a town with dust and spreading ash clouds across the Pacific, have mostly stopped spewing ash and flights are no longer diverted, Russian ...

New ash studies needed to 'limit air traffic chaos'

Better research models of how ash is dispersed would greatly reduce the air traffic havoc wreaked in Europe since an Icelandic volcano began spewing a giant cloud of the toxic dust last week, an expert said on Sunday.

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