After years of research on the Greenland ice sheet — which CNN visited when the cores were drilled — scientists have reported temperatures there have been the warmest in at least the past 1,000 years.
Article Source: Latest From CNN Read More
After years of research on the Greenland ice sheet — which CNN visited when the cores were drilled — scientists have reported temperatures there have been the warmest in at least the past 1,000 years.
Article Source: Latest From CNN Read More