U.S. government scientists warned federal regulators the South Fork offshore wind farm near the Rhode Island coast threatened the Southern New England Cod, a species so venerated in the region a wooden carving of it hangs in the Massachusetts state house.

The Interior Department approved the project anyway.

The warnings were delivered in unpublished correspondence weeks before Interior’s Bureau of Ocean Energy Management authorized the 12-turbine South Fork plan in November 2021. And they serve to underscore the potential ecological consequences and environmental tradeoff of a coming offshore wind boom along the U.S. East Coast. President Joe Biden wants the U.S. to deploy 30 gigawatts of offshore wind by the end of the decade.