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Explanation
Household Power
1 2 3 4 5
Food, Water, Trees
1 2 3 4
Transport, Buying, Other
1 2 3 4 5

 

18. Does your household avoid food packaging when possible?



Packaging is everywhere, and hard to avoid, but it's worth the effort. Why waste resources, including electricity and water, on something that soon becomes waste? A lot of packaging can be recycled, which is good, but even the recycling process uses energy.

19. Does your household harvest rainwater? (for use in house and/or garden)



Climate models predict that large areas of Australia are likely to become even drier than usual as the planet gets warmer, and water is essential for growing food and much more. Already Australia is resorting to desalination plants to supply water. The Gold Coast Desalination Plant is one of the most energy-efficient desalination plants in the world, yet even that plant uses about 3.2 kWh of energy to produce 1,000 litres of desalinated water. Does it make sense to increase carbon emissions (and pay extra for our water) when we can collect free rainwater from our roofs?

To find out how many litres of water you can collect from your roof in one year, multiply your roof area (square meters) by your local average annual rainfall (mm). For rainfall data, go to Climate Data Online. For tips on home rainwater systems, see DIY Rainwater.

20. Does your household use greywater? (to water garden or flush toilet)



A family of 4 is likely to produce over 1,000 litres of greywater per week just from the shower, with more from laundry, hand-washing, and so on. Most of this water can be reused in the garden. See the Alternative Technology Association website and DIY greywater for methods. See Lanfax Labs for analysis of liquid (generally safer for gardens) and powder laundry detergents. Public health guidelines vary from state to state, so please check the Greywater regulations for your area.

 

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