“Within this constellation of [climate change-addressing] work, there are playful buildings and schemes for buildings with geological pretensions (the newly opened CopenHill powerplant), while others are not even earthbound (Mars Science City). And then there’s Masterplanet, whose expertly honed pitch is designed to appeal to those dour global leaders in Copenhagen, the same way a sword may appeal to one having to unloose the Gordian Knot.”