12-08-28 The extent of the sea ice covering the Arctic Ocean has shrunk. According to scientists from NASA and the NASA-supported National Snow and Ice Data Center (NSIDC) in Boulder, Colo., the amount is the smallest size ever observed in the three decades...

12-07-31 Study finds only 30% of radical loss of summer sea ice is due to natural variability in Atlantic and it will probably get worse. 研究发现，北极海冰夏季大面积融化可能会进一步加剧，而这其中只有30%由大西洋的自然环境变化所造成。 The radical（激进的，根...

12-07-19 The Petermann Glacier in northern Greenland has calved an iceberg twice the size of Manhattan, scientists say. 科学家称，格陵兰岛北部彼得曼冰川出现了两倍曼哈顿大小的雪崩。 Satellite images show the crescent-shaped crack between the iceberg and the g...

12-06-21 At nearly four feet tall, the Emperor penguin is Antarctica's largest sea bird -- and thanks to films like March of the Penguins and Happy Feet, it's also one of the continent's most iconic. If global temperatures continue to rise, however, the Empe...

12-06-19 The ancient reserves of methane（甲烷） gas seeping from the melting Arctic ice cap told Jeff Chanton and fellow researchers what they already knew: As the permafrost（永久冻土） thaws, there is a release of methane, a powerful greenhouse gas that c...

12-06-08 A team of researchers, including scientists from Woods Hole Oceanographic Institution (WHOI), discovered a massive bloom of phytoplankton（浮游植物） beneath ice-covered Arctic waters. Until now, sea ice was thought to block sunlight and limit the g...

12-05-11 The Filchner-Ronne Ice Shelf fringing the Weddell Sea, Antarctica, may start to melt rapidly in this century and no longer act as a barrier for ice streams draining the Antarctic Ice Sheet. These predictions are made by climate researchers of the Al...

12-04-26 An international team of scientists led by British Antarctic Survey (BAS) has established that warm ocean currents are the dominant cause of recent ice loss from Antarctica. New techniques have been used to differentiate, for the first time, between...

12-03-22 Even if humankind manages to limit global warming to 2 degrees C (3.6 degrees F), as the Intergovernmental Panel on Climate Change recommends, future generations will have to deal with sea levels 12 to 22 meters (40 to 70 feet) higher than at presen...

12-03-13 The Greenland ice sheet is likely to be more vulnerable to global warming than previously thought. The temperature threshold（门槛，极限） for melting the ice sheet completely is in the range of 0.8 to 3.2 degrees Celsius of global warming, with a b...