Researchers issue warning after making troubling discovery on expedition to Antarctica: 'We may see more'

Researchers issue warning after making troubling discovery on expedition to Antarctica: 'We may see more'

Researchers have sounded the alarm after recording Antarctica's third-lowest level of winter sea ice since satellite tracking began nearly 50 years ago, per Phys.org — another sign of how quickly our planet's poles are changing. What's happening? According to new data from the U.S. National Snow and Ice Data Center at the University of Colorado, Boulder, Antarctica's sea ice peaked at 17.81 million square kilometers (6.88 million square miles) o…