Answer:1. Effects on the environment: - Soil, water, and air pollution. - Harm to wildlife. - Spread of diseases. - Increased greenhouse gas emissions. - Flooding due to clogged drains.2. Instances of impact: - Health issues in communities from pollution. - Marine pollution affecting fish and fisheries. - Urban flooding and pest problems. - Unclean public spaces.3. Possible solutions: - Educate on proper waste disposal. - Improve waste management systems. - Enforce littering laws. - Organize clean-up drives. - Promote recycling and composting.