Melting is expected West Antarctic ice sheet loss will accelerate significantly in the coming decades and could raise sea levels even if the world meets its commitments to limit global warming , according to a study published Monday. Scientists from British Antarctic Survey  The authors of the new study warned that humanity has “lost control” over the fate of ice shelves, these gigantic frozen structures floating on the edge of the main ice sheet that play a stabilizing role in slowing the drift and melting of glaciers in the ocean. Antarctica has already seen accelerated ice loss in recent decades, and scientists said the West Antarctic Ice Sheet, which contains enough water to raise sea levels by several meters, could be approaching a climate “tipping point.” The scientists found (using computer modeling) that faster melting of ice shelves is already inevitable in the coming decades due to warming oceans. (Jonathan Bamber)