As temperature records fall all over the planet this summer, scientists are also increasingly concerned about what’s happening to the sea ice around Antarctica. William Brangham reports.

By William Brangham, Shoshana Dubnow

In our news wrap Tuesday, a storm system blasted the Northeast with severe weather, there's new evidence of global warming affecting Antarctica with sea ice at a record low, the Supreme Court reinstated a federal regulation aimed at curbing the…