1. SCIENCE:
Warm currents threaten to expand Antarctic melting
Another section of the vast Antarctic ice sheet is threatened by warm ocean waters, scientists reported yesterday. Researchers have watched as warm, deep currents have carved away at the underside of ice shelves on the western Antarctic coast, accelerating ice loss by eroding the floating ice tongues that help slow glaciers' flow to the sea. Go to story #1
Climate change is high on his to-do list.