When global warming is discussed, many will try to predict how much the ice cap will melt and how much the seas will rise. There are many variables in this calculation. A new study by an international team of scientists analyzing ice cores from the Greenland ice sheet going back in time more than 100,000 years indicates the last interglacial period may be a good analog for where (more…)

A U.S. researcher says projected sea-level rise over the next century has been underestimated because current models fail to consider several critical feedbacks that might accelerate rising seas in the coming decades.

While the 2007 report of the Intergovernmental Panel (more…)

Gary Comer was a wealthy retired American who found on a private voyage in 2001 that he was able to easily navigate the normally ice-bound Northwest Passage in northern Canada. It perturbed him that he could do so and resulted in his substantial funding of scientific research into the global extent of abrupt climate change. Glaciologist Richard Alley, oceanographer (more…)