Friday, January 16, 2009

Economist Article Highlights the Ocean's Troubles














An online story in the Dec. 30th economist highlights the latest damages to our oceans, which have serious ramifications for now and the immediate future. They include:

  • an increase in carbon dioxide on the ocean's surface, which harms marine life and can destabilize the entire marine system
  • increased carbon dioxide also causing global warming, and with it melting glaciers and rising water levels that can threaten entire countries
  • masses of discarded plastic that swirl in 2 distinct areas in the Pacific
  • red tides and the deterioration of marine life
This is just the tip of the iceberg, so to speak. The articles states:

"Each of these changes is a catastrophe. Together they make for something much worse. Moreover, they are happening alarmingly fast—in decades, rather than the eons needed for fish and plants to adapt. Many are irreversible. It will take tens of thousands of years for ocean chemistry to return to a condition similar to its pre-industrial state of 200 years ago, says Britain’s most eminent body of scientists, the Royal Society. Many also fear that some changes are reaching thresholds after which further changes may accelerate uncontrollably. No one fully understands why the cod have not returned to the Grand Banks off Canada, even after 16 years of no fishing. No one quite knows why glaciers and ice shelves are melting so fast, or how a meltwater lake on the Greenland ice sheet covering six square kilometres could drain away in 24 hours, as it did in 2006. Such unexpected events make scientists nervous."

What about solutions? The article is weak on this, suggesting only abolishing fishing subsidies, for example, and establishing international fishing agreements. Little is addressed regarding the pollution issue, only highlighting the seriousness of the situation, and the fact that it will take another Hurricane Katrina and other events to shake politicians up.

So the question remains: what are we going to do about our oceans?

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