My expertise focuses on climate dynamics and climate prediction, as well as global and regional climate modeling. The former director of the Texas Center for Climate Studies at Texas A&M University, I have managed a strong research group in global and regional climate modeling studies for over 25 years. Currently, I have 10 ongoing research grants from NSF, DOE and NOAA. My vast body of work has made a significant impact on the understanding of important climatic phenomena and their predictability, including El Niño-Southern Oscillation (ENSO), Tropical Atlantic Variability (TAV) and Atlantic Multidecadal Oscillation (AMO).  Some of my more prominent research has been used to guide the design of major international research programs, such as the Climate Variability and Predictability (CLIVAR).  Presently, I co-chair the International CLIVAR Atlantic Region Panel and am a contributing author to three chapters in the Fifth Assessment Report (AR5) of the Intergovernmental Panel on Climate Change (IPCC).

A clear demonstration of the physics of [the Atlantic dipole] has been missing from the debate...but Chang et al. weigh in with a convincing mathematical model of the ocean and atmosphere. Perhaps rapid progress can now be made in explaining the decadal climate variability of the tropical Atlantic.
— James A. Carton, Nature