High Quality Content by WIKIPEDIA articles! The geography of New York City is characterized by its coastal position at the meeting of the Hudson River and the Atlantic Ocean in a naturally sheltered harbor. The city's geography, with its scarce availability of land, is a contributing factor in making New York City the most densely populated city in the United States. Environmental issues are chiefly concerned with managing this density, which is also a factor in making New York among the most energy efficient and least automobile-dependent cities in the United States. The city's climate is temperate.