Penguins Are Melting
Friday, January 23rd, 2009
“. . . each day brings further evidence that the ways we use energy
strengthen our adversaries and threaten our planet. . . . With old
friends and former foes, we will work tirelessly to . . . roll back the
specter of a warming planet.”
—President Barack Obama, Inaugural Address
How is the hurricane picture to the right related to the picture of Antarctica? Global warming has been found to increase the intensity of hurricanes (though a definite link to causing more hurricanes has not been established). As Katrina showed, fiercer intensity is bad enough.
A new report published in Nature suggests that overall, Antarctica is warming, and at about the same rate as the rest of the planet. The study, by Eric J. Steig of the University of Washington and colleagues, analyzes temperature data over a fifty-year span. On average, Antarctica warmed by 0.5°C between 1957 and 2006—especially on the western side near the peninsula—while on average the earth has warmed 0.6°C. (See also NASA accounts here and here.)