Faculty and Staff

ENVS Faculty

Environmental Science, Environmental Studies Faculty

Human-environment interactions are the focus of environmental science faculty.

Inside, Outside, its all green!


Stephen Allen, Ph.D.

Stephen Allen, Ph.D.
Chair, Natural Sciences
Associate Professor of Chemistry


Office Phone: (808) 236-7908
Email: sallen@hpu.edu
Susan Carstenn

Susan Carstenn, Ph.D.
Associate Professor of Environmental Science


Office Phone: (808) 236-5855
Email: scarstenn@hpu.edu
Andrew R. Greene

Andrew R. Greene Ph.D.
Assistant Professor of Environmental Science

Office phone: 808-236-7906
Email: agreene@hpu.edu
Regina Ostergarrd-Klem

Regina Ostergarrd-Klem, Ph.D.
Visiting Associate Professor of Global Leadership and Sustainable Development

Office Phone: (808) 236-2492
Email: rostergaardklem@hpu.edu