Does it vex you, the environmental impact of Olafur Eliasson’s Ice Watch? Do you hear about the transportation of 30 icebergs from the Nuup Kangerlua fjord in Greenland to be displayed in London as a memento mori for our inhabitable environment and judge the project a bit of an own-goal, sustainability-wise? You would not be alone – on personal evidence, this seems a popular response.