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04-ME4211 - Environmental Issues of Concern Depletion of...

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1 UPK / MECH ME4211 Development of Green Products Environmental Issues of Concern Depletion of natural resources Degradation of natural recourses Environmental pollution Waste and waste disposal issues Global warming Ozone layer depletion Changes of natural weather patterns Desertification
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2 UPK / MECH ME4211 Development of Green Products What is Waste? Something that has no value after we have used it for something or purpose Another view point: Waste is a resource in a wrong place Product has value as long as it is in the right place / right time Product at wrong place / wrong time is a pollutant (less/no value) 01 Liter of milk In a clean glass bottle – it is worth Rs 50 In the drain – it is not worth a single cent Left in the drain causes bad odour, bacterial growth, …
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3 UPK / MECH ME4211 Development of Green Products Waste 93% of production materials do not end up in saleable products
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