; (B) to utilize safe and affordable reusable alternatives to disposable plastic products, to the extent practicable; (C) to encourage and incentivize the use of recycled content; and (D) to grow economic opportunities and develop markets for recyclable, reusable, and repurposed plastic waste materials and other efforts that support the circular economy; (4) provide technical assistance to foreign regulatory authorities and governments to remove unnecessary barriers to investment in otherwise commercially-viable projects related to— (A) waste management including recycling; (B) the use of safe and affordable reusable alternatives to disposable plastic products, to the extent practicable; or (C) beneficial reuse of solid waste, plastic waste, plastic products, and refuse; (5) use clear, accountable, and metric-based targets to measure the effectiveness of such projects; and (6) engage international partners in an existing multilateral forum (or, if necessary, establish through an international agreement a new multilateral forum) to improve global cooperation on— (A) creating tangible metrics for evaluating efforts to reduce plastic waste and marine debris; (B) developing and implementing best practices for collecting, disposing, recycling, and reusing plastic waste, including building capacity for improving waste management at the national and subnational levels of foreign countries, particularly countries with little to no solid waste management systems, facilities, or policies in place; (C) encouraging the development of standards and practices, and increasing recycled content percentage requirements for disposable plastic products; (D) integrating tracking and monitoring systems into waste management systems; (E) fostering research to improve scientific understanding of— (i) how microfibers and microplastics may affect marine ecosystems, human health and safety, and maritime activities