Antarctica Losing Ice Even Faster Than Before

The ice at the Earth's poles plays a critical role in our environment. It's the largest store of fresh water on the planet, and as it melts it affects ocean height, temperature, and circulation ... which in turn changes our weather and, in the long term, our climate. It's why scientists study that ice so carefully, and why we're getting more news about it lately. Unfortunately, that news is bad. And now it's getting worse. Bad News the First: CryoSat, a European Space Agency Earth-observing sate...