The root of the problem is the spread of nitrogen caused by runoff of fertilizers, sewage outflows, and nitrogen deposits from burning fossil fuels, Dr. Diaz said. Nutrient pollution from agricultural runoff fuels blooms of algae – a process known as eutrophication – that rot and consume oxygen levels as they decay.
“Dead zones are not local problems,” Dr. Diaz said. “They are occurring around the globe and have negative consequences in all locations. The surprising thing is that many of these zones are caused by the same set of processes and factors. It all links back to us, and what humans are doing.”
The full article is here.Today's music is "Murder in the City" by the Avett Brothers.
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