The move, to be implemented Sunday, comes amid rising US-China tensions.
He bowed deeply as lawmakers applauded his win, but made no immediate comment.
Instead of a modern eco-paradise, the towers look like the set of a desolate, post-apocalyptic film.
US President suggests global warming will reverse itself and dismisses climate change as a cause of ferocious fires engulfing swaths of the US West.
The 71-year-old repeated his pledge to continue Shinzo Abe's policies as he accepted the party's nomination as leader.