Leith

Busy day today, but had a short walk around Leith. I have always wondered how this shop kept going since it stocks a variety of unusual objects and nothing ever seemed to change (a 6 ft high stuffed giraffe was in the window for what seemed like years).  The shop is now closing down it appears.
I bumped into EdinImage (well that was arranged so he could lend me a piece of equipment) and we noticed what appears to be a piece of street art (see extra) with an environmental/climate change theme. Googling didn't help identify it though.  Any ideas?