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Trade group takes fuel companies to court over Dungeness crab closures

November 27, 2018 — A trade group representing commercial fishermen on the West Coast of the United States has filed a lawsuit in a California court claiming petroleum companies have significantly harmed the Dungeness crab fishery in that state and neighboring Oregon.

The Pacific Coast Federation of Fishermen’s Association filed the suit in a San Francisco, California court last week against 30 fossil fuel makers. They claim actions by the defendants – which include Chevron, ExxonMobil, Dutch Shell, Citgo, ConocoPhillips and Marathon Oil – have led to algae blooms in the Pacific Ocean. Those blooms lead to a buildup of domoic acid, a harmful neurotoxin, in the crabs.

The lawsuit states fuel companies have known for a half-century that their products have led to climate change, with the waters for the crab fishery growing warmer. As a result, the Dungeness crab fishery has suffered through repeated closures since 2015.

“We are seeking to implement measures, at the fossil fuel industry’s expense, that will help crabbers adapt to a world in which domoic acid flare-ups will be increasingly common, and also help those crabbers who suffer financial losses as a result,” said Noah Oppenheim, the association’s executive director, in a news release.

Just days before the lawsuit, California Department of Fish and Wildlife officials announced that the Dungeness crab fishery, originally scheduled to open on 15 November, would be suspended indefinitely along the Sonoma County coast, located roughly 70 miles north of San Francisco.

Crab fishing south of the county began on schedule. Crab fishing north of Sonoma County is not scheduled to start until next month. However, in the same statement, state officials did not rule out a delay for that portion of the fishery.

Read the full story at Seafood Source

Rising Carbon Dioxide Levels Threaten Corals and Oysters

April 5, 2016 — Tiny, thin-shelled oysters; crumbling coral reefs; fish unable to make sense of odors; decimated plankton populations. Those are some of the nightmare scenarios conjured by the prospect of a rapidly acidifying ocean caused by unchecked carbon dioxide emissions from fossil fuel burning.

Here’s the chemistry: when carbon dioxide and water mix, they form a weak acid, called carbonic acid. Add enough carbon dioxide, and the pH, or acidity, of the water will start to change. Of course, the ocean is a big place with a lot of water, and it naturally contains other chemicals that can help stabilize the pH.

On the other hand, the ocean has absorbed more than a quarter of all human-produced carbon dioxide since the industrial revolution. The result: globally, the pH of the ocean has dropped by an average of 0.1 pH units. That may not sound like much but, since the pH scale is logarithmic, it translates to a 25 to 30 percent increase in acidity. And, as ocean water becomes more acidic, the carbonate that many animals use to build their calcium skeletons and shells becomes scarcer.

Read and listen to the full story at WCAI

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