In November, 1989, when many new developments were proposed in the Central Pine Barrens, the LIPBS, with the support of several dozen civic and environmental organizations, filed suit against the Suffolk County Department of Health and the Brookhaven, Riverhead and Southampton Town Boards, as well as their Planning Boards and their Zoning Board of Appeals. The suit demanded that the environmental impact of development be ascertained prior to the start of any construction. The LIPBS called this effort the Pine Barrens Preservation Initiative. It was New York State's largest environmental lawsuit involving several billion dollars worth of real estate.