>I propose we use recyclable Power-poles.
Wood is recyclable, and properly maintained, lasts a lot longer than concrete.
This church was made in the 11th century.
Trees grow somewhat faster than the fossil fuels needed to produce the (non-renewable) metals you suggested.
>they require constant maintenance.
And?
>Surely Aluminium, Steel, or Concrete, could now be made cheaply enough to do the job.
Cost is irrelevant compared to environmental impact.
How about instead of trying to increase consumption of new goods we, ya know, pump the brakes a little?
Have you not noticed all of these new and amazing technologies promise to continue our high consumption lifestyles? "Just buy this new thing... all will be better"....
