Clarence Mann, University of Michigan • Mann is crossing many boundaries on the way to a master's in environmental and land use planning. His research is creating new tools for urban planners and decision makers.

The greater Salt Lake City area is known for harboring some of the most polluted air in the country during the winter. A team of NCAR researchers is gearing up to collaborate on a study of the winter weather inversions that cause the city's poor air quality.

Like a cat toying with its prey, an intense area of low pressure took swipes at New England and the mid-Atlantic.

Future global impacts of climate change are described by region.