to have you here. thank you so much. there is a startling new report in the journal science that claims the polar ice sheets are melting at record rates. up to five times faster than in the 90s. look at this video. it s fascinating. time lapse video from greenland. the report says that country and antarctica are losing 344 billion metric tons of ice a year equal to the weight of more than a million empire state buildings. scientists say these findings are important because the melting is causing sea levels to rise, and that makes coastal storms, say superstorm sandy, worse because of the massive flooding that s caused.