The purpose of the proposed legislation, known as the "Reducing Waste in National Parks Act," is to reduce the use of disposable plastic products in national parks. The goal is to minimize waste and promote environmental sustainability within the National Park System. Key provisions of the legislation include the establishment of a program to reduce and potentially eliminate the sale and distribution of disposable plastic products in national parks. The Director of the National Park Service is required to create this program within 180 days of the law being enacted.