Great initiative, brilliant idea, and very well timed given the current COP21 Climate Change talks in Paris.
Christmas has already become a consumerist nightmare that essentially propagates the unnecessary purchase of products that people already have and do not need. This contributes to use of new materials that come at a great environmental cost.
Or maybe the Siggiewi local council just thought it was pretty, so I am being a bit deep. I like it thought, hats of the the Siggiwin!