The Leadership Gap on Global Warming

Here's the word from the physical world: On Sept. 10, scientists studying satellite images of the Arctic reported that sea ice covered 4.32 million square kilometers of the north. The old record, set two years before: 5.34 million square kilometers. Mark Serreze, an Arctic specialist at the U.S. National Snow and Ice Data Centre at Colorado University in Denver, said, "It's amazing. It's simply [...]