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Global water and air volume
Left: All the water in the world (1.4087 billion cubic kilometres of it) including sea water, ice, lakes, rivers, ground water, clouds, etc.
Right: All the air in the atmosphere (5140 trillion tonnes of it) gathered into a ball at sea-level density. Shown on the same scale as the Earth.
Source: Adam Nieman / Science Photo Library


Energy efficiency and environment idea reminders:

(This is just a list of ideas I might want to remember on day)

  • Rain water tanks - used 200 litre barrels
  • Rain water tanks - used 1000 litre plastic wired framed tanks
  • Rain water tanks - childrens swimming pool under the deck
  • Rain water tanks - used water bed bladder under the deck
  • Add more grassy areas on suburban roads to absorb rain/storm water (reduces the peak flows into storm water systems)
  • plant (more) fruit trees and nut trees on public land
  • eat local challenge - can I/we eat local-only food for one day a week?
  • Used cooking oil bio-diesel
    • collect all the used cooking oil from Moera take-away shop (3 fish-n-chips, and 1 cafe)
    • purchase a bio-diesel micro refinery bio-diesel micro refinery
    • use it in diesel cars and emergency generator


Interesting links

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