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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 ideas:

  • 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 waterbed 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

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Page last modified on 29 October 2008 at 10:43 AM