Officials at the St. Louis Zoo are preparing for their holiday Wild Lights exhibit by installing electronic polar bear proxies in place of the deceased polar bears who died in their captivity. The gesture is rife with social commentary, given the fact that polar bears have become the iconic images of climate change, and our generation could witness their extinction. Could artificial animal zoo exhibits be the reality of the near future? See what PETA proposes and learn more about this new breed of bear at Inhabitots.