ghoti_mhic_uait (
ghoti_mhic_uait) wrote2007-05-09 09:29 pm
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Why is it a good idea to save water?
I've seen lots of people saying "Save water, it's good for the environment!" over the years. I've looked and looked and mostly ignored them (although was happy when the dropped 'turn the tap off when you're washing your hands - really not compatible with 'shower, not bath').
Water is a renewable resource, right? It goes through the sewer system, into the rivers or sea, evaporates and returns as rain. Or it goes through the sewer system and returns to our taps.
My region hasn't had a hosepipe ban since the 70s because of our good reserviors.
So why is it a good idea to save water? I've never actually managed to find an explanation, including now through google.
Water is a renewable resource, right? It goes through the sewer system, into the rivers or sea, evaporates and returns as rain. Or it goes through the sewer system and returns to our taps.
My region hasn't had a hosepipe ban since the 70s because of our good reserviors.
So why is it a good idea to save water? I've never actually managed to find an explanation, including now through google.
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That's the bit that takes energy.
That's the increasingly questionable bit.
???! There was one two years ago i think.
energy
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As for the energy in sewage process, that makes sense! I see now. Thankyou.
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Also, more people than ever live in the South East, living on all the places you'd want to put the extra reservoirs you need. And although *we* in the South West have plenty of mountains, and rivers, and water, you can't have it, 'cos it's *ours, damnit*
;)
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1. Lack of economies of scale
2. Abundance of local water supplies in the British Isles when the water/sewage system was laid down originally
Why build a national grid when the water is collected nearby, stored nearby and used nearby?
Sadly, things are changing, and if not a national grid then some kind of north/south or west/south-east pipeline should probably be considered...
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Some places mine their water (aquifers) — this source of water is *not* renewable.
Even if you have enough water, it takes energy to purify it for human consumption. Use less water → use less energy → cause less pollution.
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She’s not moved somewhere wetter while I wasn’t paying attention, has she?
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and while, yes - water is sortof renewable .. globally, we're using more and more and more. the amount of water required to make is terrifyingly large, and aquifers all over are just going down and down because we use more than is filling them.
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Umm, and the campaign thing was about turning off the water when brushing your *teeth*, not hands? Because a surprising number of people stick the tap on to wet the toothbrush and then leave it on while they aren't using the water at all, just doing the main brushing bit.
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I did test the shower/bath, and I do use less water in the shower than the bath.
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My obsession with turning off taps comes mostly from the horrible noise the cold bathroom tap made in the house I grew up, when my big brother would turn it on and not turn it off, ever, so I could hear it in my room and have to turn it off.
There may be no very good reason to save water (but everything takes energy so I suspect there is) but there is no good reason to waste it, and so I automatically choose not to. It's less effort.