Berlin's eco-damaging styrofoam wall of dominoes

It is rather disappointing that the Germans decided to celebrate 20 years since the fall of the wall by generating 1000 styrofoam dominoes. Styrofoam is one of the most ecologically damaging materials we create. Where are all the blocks going to go now? Probably into a land fill and take hundreds of years to degrade. It is surprising that a normally environmentally conscious country like Germany would not think of such issues.
They could have gone for something more environmentally friendly.

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Eco-friendly shop for radiator insulation panels

I've been looking for eco-friendly shops to buy radiator insulation panels, I have come across quite a few new sites so I thought I would list them here:
CAPcarbon
earthwhile
ecomerchant
shopeco
ecotopia

Most of these site sell the same products and even use the same pictures, but prices do vary. It seems that CAPcarbon does not have a delivery charge which is good, but the cheapest price per insulation panel I could find (including delivery) was form earthwhile.