i say we strive to reduce the risk even if it is too our own cost.we have to think about future generations at all cost! i dont see why this is even an argument we have to act and act now.it really annoys me when some people argue if gw is man made or not ,there is no point in taking the risk,and thats the bottom line.why do people have health insurance,car insurance,house insurance etc because of risk! maybe there are some natural factors involved which i think there might be but still it just isnt worth taking the risk imo