Group 1: People throw too much food away, Plan meals and avoid wasting food, Group 2: Students use a lot of paper, Take digital notes or write on both sides, Group 3: Too many cars cause traffic jams, Use bicycles or carpool with friends, Group 4: Sea animals die from plastic, Use reusable bags and bottles, Group 5: Global temperatures are rising, Save energy and use renewable sources, Group 6: Rubbish in school yard, Organize school clean-up campaigns, Group 7: Forest fires destroy nature, Be careful with fire and plant new trees, Group 8: Dirty air in factories area, Use filters and eco-friendly technologies,

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