Want to have a go at building you own ecocity of the future? London's Science Museum is offering visitors the chance to do just that in an exhibition opening later this week. "The Science of Survival' show offers visitors an interactive trip through the problems climate change poses to daily life and an array of options for rising to that challenge. The end result is a custom made ecocommunity. Each visitor gets a computer chip card and is then introduced to the basic problems and four animated characters, each with their own individual approach to the solutions. There is the continue-as-normal avatar, the technology-holds-all-the-answers avatar, the green-is-the-holy-grail avatar and one that takes a piece from all the others. The exhibition is broken down into five lifestyle sections