The groups, which include the Sierra Club, say state and county regulators failed to fully account for greenhouse-gas emissions the plant would produce.
Columbia Riverkeeper, the Sierra Club and the Center for Biological Diversity on Thursday filed an appeal of a state shoreline permit required for a $1.8 billion methanol project at the Port of Kalama in Southwest Washington.
The groups say state and county regulators failed to fully account for the greenhouse-gas emissions that would result from plant operations. They argued that the assessment should have included emissions that would result from fracking natural gas and sending it through a pipeline system.
“These permits are the product of a woefully inadequate environmental analysis,” said Miles Johnson, of Columbia Riverkeeper, in a written statement.
The plant is being developed by NW Innovation Works, a Chinese-led joint venture.
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Vee Godley, president of NW Innovation Works, said the permit was the product of “an exhaustive public process.”
The permit includes greenhouse-gas reduction standards based on a new state rule.
Industry groups are now challenging that rule in court.
If the rule is overturned, Godley said NW Innovation Works would follow the standards included in the permit.