In 1991 and 1999, voters approved a total of $250 million in bond funds for the purchase of lands for conservation purposes. ERM works to protect Palm Beach County's natural resources (land and water) though environmental assessment, permitting, compliance inspections, and land development review activities to ensure compliance with the County's Unified Land Development Codes (ULDC) and in some cases, the State of Florida's Administrative Codes. (FAC).