Ключевые слова: awareness, bottles, campaign, cans, cleanliness, cleanliness drive, cleanup, community, debris, disposal, ecofriendly, education, enforcement, environment, fines, garbage, government, highways, initiatives, intervention, litterbugs, littering, management, motorways, participation, penalties, plastic, pollution, prevention, problem, public, regulations, responsibility, roads, roadside, solutions, streets, sustainable, thailand, trash, volunteers, waste,