In Greenland, scientists study tundra for clues to warming
298250
JAKOBSHAVN GLACIER, Greenland -- If Manhattan floods, it may start here, on an ice field that stretches in frozen silence to every horizon.
217731
ENVIRONMENT: A four-year study documents Arctic warming, and adventurers say the world needs to take action. BY JOHN MYERS. When Arctic explorer Lonnie Dupre saw two giant glaciers on his map of Greenland, he worried how his group would get around them.
585922
The warming Arctic is again making news, with a heap of findings unveiled at the fall meeting of the American Geophysical Union in San Francisco.
194303
Scientists find many regions on Earth that once had permanent frozen ground are now experiencing a thaw.
691889
NASA scientists reported that higher temperatures and a retreat of the sea ice over the last two winters offered new evidence that the gases were influencing the ArcticÂs climate.
96901
New research is raising concerns that global warming may be triggering a self-perpetuating climate time bomb trapped in once-frozen permafrost.
361193
Two polar explorers are to embark on a 4,300km trek across the Arctic to collect data and highlight climate change.
85007
Global warming could lead to a big chill in the North Atlantic, at least if history is anything to go by, researchers reported on Friday.
270575
The well-preserved carcass of a 10,000-year-old baby mammoth has been unearthed in the northern Siberian permafrost, a discovery scientists said could help in climate change studies.
768748
Braving some of the world's coldest temperatures and wickedest winds, researchers are drilling ice cores in Antarctica to answer questions about global climate change.
607281
Scientists fear Greenland ice cap melting so quickly it is triggering earthquakes.
186301
Scientists are peering into the clouds near the top of the world, trying to solve a mystery and learn something new about global warming.
554115
An ambitious two-year effort aims to understand the vital, shifting dynamics of ice, oceans and life at the ends of the earth.
217548
The report confirms that the Arctic, as a whole, and particularly the Canadian Arctic, is warming, at a rate almost twice that of lower latitudes and that the warming will accelerate in the decades to come.
311463
Ice-covered Greenland really was green a half-million or so years ago, covered with forests in a climate much like that of Sweden and eastern Canada today.
28709
The largest polar research programme for 50 years, by thousands of scientists, gets under way this week.
164642
Scientists have found that the ice in Greenland and the Arctic is melting so rapidly that most of it could be gone by the end of the century. Low-lying lands could be flooded and polar bears could go extinct, among other possibilities.