international agreements. TITLE III—Improving domestic infrastructure to prevent marine debris Sec. 301. Definitions. Sec. 302. Strategy for improving waste management, recycling, and water management. Sec. 303. Waste management State revolving funds. Sec. 304. Grant programs. Sec. 305. Study on repurposing plastic waste in infrastructure. Sec. 306. Study on options to advance technologies for converting plastic waste to chemicals, feedstocks, and other products. Sec. 307. Study on effects of microplastics in food supplies and sources of drinking water. Sec. 308. Report on eliminating barriers to increase the collection of recyclable materials. Sec. 309. Report on economic incentives to spur development of new end-use markets for recycled plastics. 2. Definitions In this Act: (1) Circular economy The term circular economy means an economy that uses a systems-focused approach and involves industrial processes and economic activities that— (A) are restorative or regenerative by design