To make people aware of the rising sea level because of global warming, we confronted them in an amusing way with a serious message using a floating poster in the Amsterdam canals. This board seemed to be held by a submerged man with just his hands sticking out of the water. In reality it was two arms mounted on a small remote control submarine. The copy said: Global Warming. What’s all the fuss about? Find out for yourself www.mtvswitch.org.