The Economic Benefits of Parks in New York City report studied the economic value of New York City's entire park system. Approximately 99% of New Yorkers live within a 10-minute walk to a green space, and residents visit these spaces over 527 million times per year. These parks create billions of dollars of benefits and savings every year. For example, parks have significant recreation value worth $9.1 billion annually. Parks also protect water quality through stormwater runoff and improve air quality due to the planted trees and shrubs. Overall, the use and value of this integrated park system significantly reduces the cost of health and environmental services.