The big question in Alaska these days is whether the restless Redoubt volcano will erupt. We ask volcanologist Richard Wunderman why volcanoes can be the wild card in weather and climate. Jet Streaming listeners are reporting February flocks of robins in their back yards -- why are they here and how do other animals react to changes in weather and climate? Canada's premiere climatologist David Phillips weighs in with some answers. Get your one-stop shopping on volcanoes, earthquakes, floods and more from the U.S. Geological Survey on our Website of the Week at http://www.usgs.gov/