The Dorothy art collective designed this snow globe that features a coal-fired power plant. When shaken, black pollution floats around instead of pristine white snowflakes.
The single greatest threat to the climate comes from burning coal but despite this a whole new fleet of dirty coal-fired power stations are on the verge of being built in the UK (the first for 30 years). The snow globe was designed for Ctrl.Alt.Shift in anticipation of the United Nations Climate Change Conference in Copenhagen 2009.
They made two, and have sold one. You can have the other for £2,000 plus shipping. Link -via Nag on the Lake