Curated OER
Problems with Rivers
Pupils explore the PNI model. In this river pollution activity, students use the PNI (positive-negative-interesting) problem solving model to analyze 5 scenarios.
Curated OER
River Pollution - Nutrient Cycle & Wetlands
In this nutrient cycle worksheet, students add arrows to the diagram and label the picture with the four different stages. Students also answer questions about nutrient loss and pollution.
Food and Agricultural Organization of the United Nations
Fao: Discovering Water Re Use
In some part of the world there is not enough fresh water for every use. If things are done differently water re-use can be very effective. Learn here about ways we can change the world. Wastewater, if properly treated can be a resource...