Aerial footage of pollution along the Isabela River, showing plastic waste, black water flowing from a stream, and an area affected by pollution with white spots of debris and environmental damage

isabela river waste plastics black water stream lilies white spots water contamination plastic waste environmental pollution trash river contamination garbage damaged ecosystem discharges residuals contaminated water plastic pollution solid waste contaminated area environmental impact ecological problem water quality trash traces pollution effects sanitation public health environment effluents dump affected area pollutants harmful substances urban ecology environmental issues deforestation ecotoxicity ecological impact industrial pollution decomposition affected zone river waste river cleanup sanitation issues local pollution