Re: Why Wooden Sleepers are better. Was [NSW] CityRail Delays Friday

[eikkert@my-deja.com]

> 1. You don't need to chop down trees - this may suprise some people
> who think they magically appear out of nowhere. (the railways in
> Australia, are partly responsible for deforesting much of Australia -
> think  of all those wooden sleepers used since 1854 )

And where do you think concrete comes from? Sand, lime, clays, they all
have to dredged, extracted or mined. That causes quite an unbalancing
effect to sensitive areas such as beaches or at an extreme case the
filtering of underground aquefers.


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