Portland cement is derived from the Isle of Portland, Dorset England, creating a building material for hard working men.
Portland Maine was named in tribute to the Isle of Portland.
Portland Oregon felt entitled to appropriate the name from Portland Maine for their city.
Today, Portland Oregon in home to the entitled unfamiliar with hard work and the strength of character and building material that is portland cement.
To paraphrase wiki,
The -hot air- production of Portland (cement) contributes to about 10% of world carbon dioxide emission.