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3.0 Cause of EOD
3.1 Carrying Capacity
3.2 Population Growth
3.3 Energy
3.31 Commercial Use
3.32 Household Use
3.33 The growing gap for oil
3.34 Oil alternatives
3.35 Using food for fuel
3.4 Food
3.31 Overharvesting
3.32 Water for food
3.33 Energy for food
3.5 Water
3.6 Wastage
3.7 Deforestation
3.61 Deforestation in urban Singapore
