Scientists warn that Greenland's melting ice sheet is a real doomsday scenario. Rising temperatures and record heat this summer accelerated what has already been a much faster thaw than seen in previous years. VOA's Arash Arabasadi has more.
Scientists warn that Greenland's melting ice sheet is a real doomsday scenario. Rising temperatures and record heat this summer accelerated what has already been a much faster thaw than seen in previous years. VOA's Arash Arabasadi has more.