The Largest Fear From Scientists About the Polar Ice Caps Melting

Scientists fear ancient bacteria that we have never exposed to before inside will be freed once the polar ice caps melt. Smallpox has o rable pox, it can and has survived frozen for a long time. It's really hard to understand how small changes over long periods of time will have profound effects on many people. There is no question that climate change is going to be a huge problem that affects and likely shortens the lives of many millions of people.