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Urbanites can recycle water. Israel recycles nearly 90% of its water. LA recycles about 2%. https://www.latimes.com/local/lanow/la-me-water-recycling-los-ange

• divbzero 6y ago
  Singapore provides another case study in judicious use of water. [1] [1]: https://en.wikipedia.org/wiki/Water_supply_and_sanitation_in_Singapore https://en.wikipedia.org/wiki/Water_supply_and_sanitation_in...
  • dehrmann 6y ago
    That's an odd example. Singapore gets 92 inches of rainfall per year vs 15 per year for LA and 4 for Vegas. It's probably driven more by politics for Singapore so they don't need to rely on Malaysia for water.
    • flukus 6y ago
      Singapore is essentially a city state so is very limited in how much of that rainfall can be stored long term. If you look on a satellite map you'll see that the undeveloped land is already dominated by water catchment and storage: https://www.google.com/maps/place/Singapore/@1.3931232,103.7270086,39985m/data=!3m1!1e3!4m5!3m4!1s0x31da11238a8b9375:0x887869cf52abf5c4!8m2!3d1.352083!4d103.819836 https://www.google.com/maps/place/Singapore/@1.3931232,103.7... The same is true in many pacific islands, they get plenty of rainfall but it's not always storable or predictable, a lot comes at once from a cyclone/hurricane for instance, but you might get 2 of them a year and then nothing for a decade.