Broad Canvas
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Broad Canvas
Glocal Issues: problems and solutions
Curated by David Hulme
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Damage to world's oceans 'to reach $2 trillion a year'

LONDON, March 21-The cost of damage to the world's oceans from climate change could reach $2 trillion a year by 2100 if measures to cut greenhouse gas emissions are not stepped up...
David Hulme's comment, March 21, 2012 10:26 PM
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Drowning in Excess Nitrogen

Drowning in Excess Nitrogen | Broad Canvas |

Synthetic nitrogen fertilizers have revolutionized worldwide food production, but after a century, environmentalists are sounding the alarm as our waterways are affected.

Via Alice Ruxton Abler
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