The Trust for Public Land is a U.S. nonprofit organization with a mission to "create parks and protect land for people, ensuring healthy, livable communities for generations to come." Since its founding in 1972, The Trust for Public Land has completed 5,000 park-creation and land conservation projects across the United States, protected over 3 million acres, and helped pass more than 500 ballot measures—creating $70 billion in voter-approved public funding for parks and open spaces. The Trust for Public Land also researches and publishes authoritative data about parks, open space, conservation finance, and urban climate change adaptation. Headquartered in San Francisco, the organization is among the largest U.S. conservation nonprofits, with approximately 30 field offices across the U.S.,