Week 18: Do not use chemicals near water
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Week 17: Buy refillable products
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Week 16: Use Your Vote
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Week 15: Use Technology Rather Than Travelling
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Week 14: Recycle Aluminium
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Week 13: Print on both sides of the paper
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Week 12: Optimize your computer
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Week 11: Keep litter out of our oceans
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Week 10: Do not idle your car engine
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