By Catrin Einhorn
Offshore turbines let Block Island shut down soot-spewing, earsplitting diesel generators. There were other benefits, too.
Block Island, a beloved summer destination off the coast of Rhode Island that’s home to about a thousand year-round residents, is known for unspoiled beaches, dramatic bluffs and charming Victorian inns.
And, more recently, for the nation’s first commercial offshore wind farm.
The turbines started delivering electricity in 2016, the year Donald J. Trump was first …