tagged w/ Global Scale
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The map above is the first illustration of worldwide imbalances in the use of phosphorus, a key component of fertilizers and an essential plant nutrient. "Typically, people either worry about what happens when an excess of phosphorus finds its way into the water, or they focus on what happens when we run out of phosphorus," said Graham MacDonald, lead author of the McGill University study.
:http://www.treehugger.com/files/2011/02/view-from-above-fertilizer-use-around-world.phpThe map above is the first illustration of worldwide imbalances in the use of... more
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suzane
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added this
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2 years ago
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