The main purpose of this legislation is to prevent the establishment and funding of an immigration detention facility in the Everglades, a unique and ecologically sensitive area in Florida. The bill aims to protect the environment and ensure that immigration detention practices meet certain standards. Key provisions of the legislation include a complete ban on any financial resources from the Department of Homeland Security being used for planning, building, leasing, operating, or maintaining an immigration detention facility in or near the Everglades.