PORTLAND, Maine — April 2, 2015 — A group of state legislators from across New England want to form a multi-state pact to counter increasing ocean acidity along the East Coast, a problem they believe will endanger multi-million dollar fishing industries if left unchecked.
The legislators’ effort faces numerous hurdles: They are in the early stages of fostering cooperation between many layers of government as they hope to push for potentially expensive research and mitigation projects, and want to use state laws to tackle a problem scientists say is the product of global environmental trends.
But the legislators believe they can gain a bigger voice at the federal and international levels by banding together, said Mick Devin, a Maine representative who has advocated for ocean research in his home state. The states can also push for research to determine the impact that local factors such as nutrient loading and fertilizer runoff have on ocean acidification and advocate for new controls, he said.
“We don’t have a magic bullet to reverse the effects of ocean acidification and stop the world from pumping out so much carbon dioxide,” Devin said. “But there are things we can do locally.”
The National Oceanic & Atmospheric Administration says the growing acidity of worldwide oceans is tied to increased atmospheric carbon dioxide, and attributes the growth to fossil fuel burning and land use changes. The atmospheric concentration of carbon dioxide increased from 280 parts per million to over 394 parts per million over the past 250 years, according to NOAA.
Carbon dioxide is absorbed by the ocean, and when it mixes with seawater it reduces the availability of carbonate ions, scientists at Woods Hole Oceanographic Institution said. Those ions are critical for marine life such as shellfish, coral and plankton to grow their shells.
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