Tina York, “Fluid Dynamics” (1995), mixed media, 32 x 40 inches. As a NASA Art Program artist, Tina York visited the Ames Research Center in California to study the principles of fluid dynamics. This piece shows the way gases move as a solid body passes through them.

Climate

Concern about global climate change animates a great deal of policymaking—and sparks passionate debate over the best way to address this unprecedented challenge. The articles here represent a diversity of thoughtful, pragmatic, and sometimes provocative approaches to dealing with difficult climate issues.