This graph compares population projections to 2100 resulting from 2 organisations: the UN Population Division studies fertility-evolution scenarios for produce high, medium and low variant figures, whereas the IIASA bases its calculations on assumptions for fertility, mortality and migration.
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This way you can cut your water consumption by a third! Pause the water flow when soaping and avoid long showers. A shower uses about 30 to 80 litres, while a bath uses 150 to 200 litres of precious water. Install low-flow shower heads and think before buying a power shower.
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