Reducing global emissions of carbon dioxide (CO2) over the coming century will be more challenging than society has been led to believe, according to a new research commentary.

Patricia Romero Lankao, NCAR's Research Applications Laboratory • As a sociologist, Romero Lankao seeks to understand the human dimensions of environmental issues.

Arden L. Bement Jr., director of the National Science Foundation (NSF), today announced the appointment of Timothy Killeen to become NSF assistant director for the geosciences.

A nationwide initiative starting tomorrow will enable volunteers to track climate change by observing the timing of flowers and foliage.

Leading representatives from indigenous and scientific communities will take part in a landmark climate change symposium at NCAR in Boulder.