The files for the Lerning Unit 3 The Ecological Footprint of Nutrition for agegroup1 (14-18 years): ecofoot_Nutrition_Teachingmaterial.pdf: Text including all information needed by teacher. ecofoot_Nutrition_Presentation.pptx: Presentation to be used in the classroom to lead through the learning unit. ecofoot_Nutrition_Leaflet.pdf Summary of the contents to be printed out and given to students