This image is a screen capture from yesterday evening's "NBC Nightly News" photographed from our television screen: Notice any thing odd about the ice? I'll give you a hint: There is no dirt or soot in the Arctic (just ice and, under the ice, water). Obviously, a foreign substance is on the ice. And, pollution causes ice to melt much faster, even if the temperature is below freezing, if the sun is out. For details, check here . Where might the dirt/soot have come from? Here's another hint: This satellite image shows the brownish pollution from China flowing northeast toward the Arctic. There are multiple peer-reviewed papers attributing the recent summer ice melt in the Arctic to soot rather than 'global warming' as Arctic temperatures have been colder than normal the last three summers. Please be clear: I'm concerned about the melting ice. It may be the the melting ice could lead to other climate problems. But, attributing the melt to "...