When you think of ways that one might draw attention to global warming, the first thing that comes to mind may not be standing on top of a glacier...naked. But that's what several volunteers will be doing when Spencer Tunick -- who is famous for other naked-people-in-public-places pictures -- gathers them together for a photo shoot to highlight the shrinking Swiss glaciers.

The photo shoot was requested by Greenpeace, but before you run out to buy those plane tickets so that you can participate, you may want to reconsider. Because this is meant to be a green event, sponsors ask that participants use public transportation to get to the event and don't fly. I guess that means that any Americans who want to take off their clothes in the name of global warming will have to do so somewhere else!