The organization was also involved in campaigning for a regional government for the Bay Area, but lost in Sacramento by one vote.
[citation needed] In 1976, People for Open Space added the goal of establishing a permanent regional greenbelt to its agenda, and in 1984 created a group called Greenbelt Congress to work on open space protection through activism and grassroots organizing.
Greenbelt Alliance expanded outside San Francisco with a field office in the South Bay in 1988.
In the 1990s and 2000s, Greenbelt Alliance was involved in stopping sprawl development proposals and protecting Pleasanton Ridge (1993), Bear Creek Redwoods (1999),[2] and Cowell Ranch/John Marsh SHP (2002)[3] as state parks or open space preserves.
It helped to create the Santa Clara Valley Open Space Authority in 1994, and was part of defeating a freeway proposal called the Mid-State Toll Road in 1995.