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North and South Poles: Important Climate Differences

Guest opinion: Dr. Tim Ball A favorite exam question in my first-year climate class was, “Why is the North Pole warmer than the South Pole? I changed it each year, to confuse students who looked at last year’s exam; “Why is the South Pole colder than the North Pole?” Most people have no idea about…

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State of the Sea Ice – January 2015

 Guest essay by Robert A Cook, PE Annually, the President is required to address the nation and report on the State of the Union. Other writers here regularly report on the oceans and El Nino/ENSO conditions, the duration and status of the extended “pause” in global warming we now are enjoying, and the global average…

CERES Arctic Reflections All Sky

Arctic Albedo Variations

Guest Post by Willis Eschenbach Anthony has just posted the results from a “Press Session” at the AGU conference. In it the authors make two claims of interest. The first is that there has been a five percent decrease in the summer Arctic albedo since the year 2000: A decline in the region’s albedo –…